12732404 has 6 divisors (see below), whose sum is σ = 22281714. Its totient is φ = 6366200.

The previous prime is 12732389. The next prime is 12732407. The reversal of 12732404 is 40423721.

12732404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 3429904 = 3050^2 + 1852^2 .

It is a super-2 number, since 2×12732404² = 324228223238432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12732404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12732407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1591547 + ... + 1591554.

It is an arithmetic number, because the mean of its divisors is an integer number (3713619).

Almost surely, 2^12732404 is an apocalyptic number.

It is an amenable number.

12732404 is a deficient number, since it is larger than the sum of its proper divisors (9549310).

12732404 is a wasteful number, since it uses less digits than its factorization.

12732404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183105 (or 3183103 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 12732404 is about 3568.2494307433. The cubic root of 12732404 is about 233.5089172726.

The spelling of 12732404 in words is "twelve million, seven hundred thirty-two thousand, four hundred four".