12604891 has 8 divisors (see below), whose sum is σ = 13890800. Its totient is φ = 11364192.

The previous prime is 12604873. The next prime is 12604903. The reversal of 12604891 is 19840621.

It is a happy number.

12604891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12604891 - 2⁹ = 12604379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12604841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10716 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (1736350).

Almost surely, 2^12604891 is an apocalyptic number.

12604891 is a deficient number, since it is larger than the sum of its proper divisors (1285909).

12604891 is a wasteful number, since it uses less digits than its factorization.

12604891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22605.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12604891 is about 3550.3367445920. The cubic root of 12604891 is about 232.7267822302.

The spelling of 12604891 in words is "twelve million, six hundred four thousand, eight hundred ninety-one".