12604761 has 16 divisors (see below), whose sum is σ = 20110720. Its totient is φ = 7756560.

The previous prime is 12604751. The next prime is 12604783. The reversal of 12604761 is 16740621.

It is a de Polignac number, because none of the positive numbers 2^k-12604761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12604721) 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, 17605 + ... + 18306.

It is an arithmetic number, because the mean of its divisors is an integer number (1256920).

Almost surely, 2^12604761 is an apocalyptic number.

It is an amenable number.

12604761 is a deficient number, since it is larger than the sum of its proper divisors (7505959).

12604761 is a wasteful number, since it uses less digits than its factorization.

12604761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933 (or 35927 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12604761 is about 3550.3184364223. The cubic root of 12604761 is about 232.7259821549.

It can be divided in two parts, 126047 and 61, that multiplied together give a palindrome (7688867).

The spelling of 12604761 in words is "twelve million, six hundred four thousand, seven hundred sixty-one".