12985179 has 16 divisors (see below), whose sum is σ = 18154752. Its totient is φ = 8239968.

The previous prime is 12985177. The next prime is 12985213. The reversal of 12985179 is 97158921.

12985179 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12985179 - 2¹ = 12985177 is a prime.

It is a super-2 number, since 2×12985179² = 337229747324082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12985179.

It is not an unprimeable number, because it can be changed into a prime (12985171) 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, 20877 + ... + 21489.

It is an arithmetic number, because the mean of its divisors is an integer number (1134672).

Almost surely, 2^12985179 is an apocalyptic number.

12985179 is a deficient number, since it is larger than the sum of its proper divisors (5169573).

12985179 is a wasteful number, since it uses less digits than its factorization.

12985179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its digits is 45360, while the sum is 42.

The square root of 12985179 is about 3603.4953864269. The cubic root of 12985179 is about 235.0440780455.

The spelling of 12985179 in words is "twelve million, nine hundred eighty-five thousand, one hundred seventy-nine".