12604053 has 16 divisors (see below), whose sum is σ = 20952576. Its totient is φ = 6547440.

The previous prime is 12604019. The next prime is 12604057. The reversal of 12604053 is 35040621.

It is a happy number.

It is not a de Polignac number, because 12604053 - 2⁸ = 12603797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 27051 + ... + 27512.

It is an arithmetic number, because the mean of its divisors is an integer number (1309536).

Almost surely, 2^12604053 is an apocalyptic number.

It is an amenable number.

12604053 is a deficient number, since it is larger than the sum of its proper divisors (8348523).

12604053 is a wasteful number, since it uses less digits than its factorization.

12604053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54584.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12604053 is about 3550.2187256562. The cubic root of 12604053 is about 232.7216247251.

Adding to 12604053 its reverse (35040621), we get a palindrome (47644674).

The spelling of 12604053 in words is "twelve million, six hundred four thousand, fifty-three".