12724804 has 12 divisors (see below), whose sum is σ = 22349628. Its totient is φ = 6339200.

The previous prime is 12724799. The next prime is 12724807. The reversal of 12724804 is 40842721.

It can be written as a sum of positive squares in 2 ways, for example, as 4326400 + 8398404 = 2080^2 + 2898^2 .

It is not an unprimeable number, because it can be changed into a prime (12724807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4537 + ... + 6784.

It is an arithmetic number, because the mean of its divisors is an integer number (1862469).

Almost surely, 2^12724804 is an apocalyptic number.

It is an amenable number.

12724804 is a deficient number, since it is larger than the sum of its proper divisors (9624824).

12724804 is a wasteful number, since it uses less digits than its factorization.

12724804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606 (or 11604 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 12724804 is about 3567.1843238050. The cubic root of 12724804 is about 233.4624473630.

The spelling of 12724804 in words is "twelve million, seven hundred twenty-four thousand, eight hundred four".