| Base | Representation |
|---|---|
| bin | 110010001111… |
| … | …010001101100 |
| 3 | 220210002112100 |
| 4 | 302033101230 |
| 5 | 11332413042 |
| 6 | 1150135100 |
| 7 | 216640560 |
| oct | 62172154 |
| 9 | 26702470 |
| 10 | 13169772 |
| 11 | 7485710 |
| 12 | 44b1490 |
| 13 | 2961585 |
| 14 | 1a6b6a0 |
| 15 | 125224c |
| hex | c8f46c |
13169772 has 72 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 3420000.
The previous prime is 13169771. The next prime is 13169791. The reversal of 13169772 is 27796131.
It is a happy number.
13169772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (13169771) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397 + ... + 5147.
It is an arithmetic number, because the mean of its divisors is an integer number (576576).
Almost surely, 213169772 is an apocalyptic number.
13169772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13169772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20756736).
13169772 is an abundant number, since it is smaller than the sum of its proper divisors (28343700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13169772 is a wasteful number, since it uses less digits than its factorization.
13169772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4779 (or 4774 counting only the distinct ones).
The product of its digits is 15876, while the sum is 36.
The square root of 13169772 is about 3629.0180490044. The cubic root of 13169772 is about 236.1526112407.
It can be divided in two parts, 131697 and 72, that added together give a square (131769 = 3632).
The spelling of 13169772 in words is "thirteen million, one hundred sixty-nine thousand, seven hundred seventy-two".
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