12723504 has 40 divisors (see below), whose sum is σ = 33122880. Its totient is φ = 4208448.

The previous prime is 12723481. The next prime is 12723509. The reversal of 12723504 is 40532721.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12723509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5719 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (828072).

Almost surely, 2^12723504 is an apocalyptic number.

12723504 is the 1907-th nonagonal number.

It is an amenable number.

12723504 is an abundant number, since it is smaller than the sum of its proper divisors (20399376).

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

12723504 is a wasteful number, since it uses less digits than its factorization.

12723504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2051 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12723504 is about 3567.0021026066. The cubic root of 12723504 is about 233.4544967096.

The spelling of 12723504 in words is "twelve million, seven hundred twenty-three thousand, five hundred four".