12231579 has 8 divisors (see below), whose sum is σ = 16325712. Its totient is φ = 8145920.

The previous prime is 12231563. The next prime is 12231589. The reversal of 12231579 is 97513221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12231579 - 2⁴ = 12231563 is a prime.

It is a super-2 number, since 2×12231579² = 299223049666482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12231509) 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, 3067 + ... + 5819.

It is an arithmetic number, because the mean of its divisors is an integer number (2040714).

Almost surely, 2^12231579 is an apocalyptic number.

12231579 is a deficient number, since it is larger than the sum of its proper divisors (4094133).

12231579 is a wasteful number, since it uses less digits than its factorization.

12231579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237.

The product of its digits is 3780, while the sum is 30.

The square root of 12231579 is about 3497.3674385171. The cubic root of 12231579 is about 230.4062071835.

The spelling of 12231579 in words is "twelve million, two hundred thirty-one thousand, five hundred seventy-nine".