12604867 has 4 divisors (see below), whose sum is σ = 13750776. Its totient is φ = 11458960.

The previous prime is 12604861. The next prime is 12604873. The reversal of 12604867 is 76840621.

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

It is an interprime number because it is at equal distance from previous prime (12604861) and next prime (12604873).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12604867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12604861) 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, 572938 + ... + 572959.

It is an arithmetic number, because the mean of its divisors is an integer number (3437694).

Almost surely, 2^12604867 is an apocalyptic number.

12604867 is a deficient number, since it is larger than the sum of its proper divisors (1145909).

12604867 is a wasteful number, since it uses less digits than its factorization.

12604867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145908.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 12604867 is about 3550.3333646293. Note that the first 4 decimals coincide. The cubic root of 12604867 is about 232.7266345244.

The spelling of 12604867 in words is "twelve million, six hundred four thousand, eight hundred sixty-seven".