12579222 has 16 divisors (see below), whose sum is σ = 25341120. Its totient is φ = 4162632.

The previous prime is 12579209. The next prime is 12579227. The reversal of 12579222 is 22297521.

It is a super-2 number, since 2×12579222² = 316473652250568, 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 12579222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12579227) 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, 6708 + ... + 8375.

It is an arithmetic number, because the mean of its divisors is an integer number (1583820).

Almost surely, 2^12579222 is an apocalyptic number.

12579222 is an abundant number, since it is smaller than the sum of its proper divisors (12761898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12579222 is a wasteful number, since it uses less digits than its factorization.

12579222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15227.

The product of its digits is 5040, while the sum is 30.

The square root of 12579222 is about 3546.7198930843. The cubic root of 12579222 is about 232.5686974706.

The spelling of 12579222 in words is "twelve million, five hundred seventy-nine thousand, two hundred twenty-two".