13456764 has 36 divisors (see below), whose sum is σ = 34810776. Its totient is φ = 4380768.

The previous prime is 13456739. The next prime is 13456799. The reversal of 13456764 is 46765431.

It is a happy number.

13456764 is a `hidden beast` number, since 1 + 34 + 567 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2799 + ... + 5894.

It is an arithmetic number, because the mean of its divisors is an integer number (966966).

Almost surely, 2^13456764 is an apocalyptic number.

It is an amenable number.

13456764 is an abundant number, since it is smaller than the sum of its proper divisors (21354012).

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

13456764 is a wasteful number, since it uses less digits than its factorization.

13456764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746 (or 8741 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 13456764 is about 3668.3462213919. The cubic root of 13456764 is about 237.8556901214.

The spelling of 13456764 in words is "thirteen million, four hundred fifty-six thousand, seven hundred sixty-four".