12578937 has 12 divisors (see below), whose sum is σ = 19510416. Its totient is φ = 7187880.

The previous prime is 12578921. The next prime is 12578947. The reversal of 12578937 is 73987521.

It is not a de Polignac number, because 12578937 - 2⁴ = 12578921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12578947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42639 + ... + 42932.

It is an arithmetic number, because the mean of its divisors is an integer number (1625868).

Almost surely, 2^12578937 is an apocalyptic number.

It is an amenable number.

12578937 is a deficient number, since it is larger than the sum of its proper divisors (6931479).

12578937 is an equidigital number, since it uses as much as digits as its factorization.

12578937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85588 (or 85581 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 12578937 is about 3546.6797148883. The cubic root of 12578937 is about 232.5669410668.

The spelling of 12578937 in words is "twelve million, five hundred seventy-eight thousand, nine hundred thirty-seven".