13265964 has 24 divisors (see below), whose sum is σ = 34393520. Its totient is φ = 4421952.

The previous prime is 13265957. The next prime is 13265981. The reversal of 13265964 is 46956231.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61309 + ... + 61524.

Almost surely, 2^13265964 is an apocalyptic number.

It is an amenable number.

13265964 is an abundant number, since it is smaller than the sum of its proper divisors (21127556).

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

13265964 is a wasteful number, since it uses less digits than its factorization.

13265964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122846 (or 122838 counting only the distinct ones).

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

The square root of 13265964 is about 3642.2471085856. The cubic root of 13265964 is about 236.7261698782.

The spelling of 13265964 in words is "thirteen million, two hundred sixty-five thousand, nine hundred sixty-four".