12904052 has 18 divisors (see below), whose sum is σ = 26269362. Its totient is φ = 5530224.

The previous prime is 12904049. The next prime is 12904061. The reversal of 12904052 is 25040921.

12904052 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., 8726116 + 4177936 = 2954^2 + 2044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32723 + ... + 33114.

It is an arithmetic number, because the mean of its divisors is an integer number (1459409).

Almost surely, 2^12904052 is an apocalyptic number.

It is an amenable number.

12904052 is an abundant number, since it is smaller than the sum of its proper divisors (13365310).

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

12904052 is a wasteful number, since it uses less digits than its factorization.

12904052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65855 (or 65846 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12904052 is about 3592.2210399696. The cubic root of 12904052 is about 234.5535631710.

Adding to 12904052 its reverse (25040921), we get a palindrome (37944973).

The spelling of 12904052 in words is "twelve million, nine hundred four thousand, fifty-two".