13169736 has 64 divisors (see below), whose sum is σ = 38520000. Its totient is φ = 4157568.

The previous prime is 13169677. The next prime is 13169749. The reversal of 13169736 is 63796131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13169736.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500 + ... + 5708.

It is an arithmetic number, because the mean of its divisors is an integer number (601875).

Almost surely, 2^13169736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13169736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19260000).

13169736 is an abundant number, since it is smaller than the sum of its proper divisors (25350264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13169736 is a wasteful number, since it uses less digits than its factorization.

13169736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243 (or 3233 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 13169736 is about 3629.0130889816. The cubic root of 13169736 is about 236.1523960636.

The spelling of 13169736 in words is "thirteen million, one hundred sixty-nine thousand, seven hundred thirty-six".