13269645 has 24 divisors (see below), whose sum is σ = 23186592. Its totient is φ = 7020000.

The previous prime is 13269637. The next prime is 13269661. The reversal of 13269645 is 54696231.

It is a happy number.

13269645 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 9 + 645 = 666.

It is not a de Polignac number, because 13269645 - 2³ = 13269637 is a prime.

It is a super-3 number, since 3×13269645³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4770 + ... + 7020.

It is an arithmetic number, because the mean of its divisors is an integer number (966108).

Almost surely, 2^13269645 is an apocalyptic number.

13269645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13269645 is a deficient number, since it is larger than the sum of its proper divisors (9916947).

13269645 is a wasteful number, since it uses less digits than its factorization.

13269645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2390 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 13269645 is about 3642.7523934520. The cubic root of 13269645 is about 236.7480632098.

The spelling of 13269645 in words is "thirteen million, two hundred sixty-nine thousand, six hundred forty-five".