12578873 has 4 divisors (see below), whose sum is σ = 12656208. Its totient is φ = 12501540.

The previous prime is 12578807. The next prime is 12578879. The reversal of 12578873 is 37887521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12578873 - 2²⁰ = 11530297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12578873.

It is not an unprimeable number, because it can be changed into a prime (12578879) 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, 38423 + ... + 38748.

It is an arithmetic number, because the mean of its divisors is an integer number (3164052).

Almost surely, 2^12578873 is an apocalyptic number.

It is an amenable number.

12578873 is a deficient number, since it is larger than the sum of its proper divisors (77335).

12578873 is an equidigital number, since it uses as much as digits as its factorization.

12578873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77334.

The product of its digits is 94080, while the sum is 41.

The square root of 12578873 is about 3546.6706923536. The cubic root of 12578873 is about 232.5665466427.

The spelling of 12578873 in words is "twelve million, five hundred seventy-eight thousand, eight hundred seventy-three".