12579089 has 4 divisors (see below), whose sum is σ = 12586224. Its totient is φ = 12571956.

The previous prime is 12579079. The next prime is 12579101. The reversal of 12579089 is 98097521.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12579089 - 2¹² = 12574993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12579079) 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, 1214 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (3146556).

Almost surely, 2^12579089 is an apocalyptic number.

It is an amenable number.

12579089 is a deficient number, since it is larger than the sum of its proper divisors (7135).

12579089 is an equidigital number, since it uses as much as digits as its factorization.

12579089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 12579089 is about 3546.7011433161. The cubic root of 12579089 is about 232.5678778188.

The spelling of 12579089 in words is "twelve million, five hundred seventy-nine thousand, eighty-nine".