12604051 has 4 divisors (see below), whose sum is σ = 12653352. Its totient is φ = 12554752.

The previous prime is 12604019. The next prime is 12604057. The reversal of 12604051 is 15040621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12604051 - 2⁵ = 12604019 is a prime.

It is a super-2 number, since 2×12604051² = 317724203221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12604057) 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, 24265 + ... + 24778.

It is an arithmetic number, because the mean of its divisors is an integer number (3163338).

Almost surely, 2^12604051 is an apocalyptic number.

12604051 is a deficient number, since it is larger than the sum of its proper divisors (49301).

12604051 is an equidigital number, since it uses as much as digits as its factorization.

12604051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49300.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12604051 is about 3550.2184439834. The cubic root of 12604051 is about 232.7216124158.

Adding to 12604051 its reverse (15040621), we get a palindrome (27644672).

The spelling of 12604051 in words is "twelve million, six hundred four thousand, fifty-one".