12279413 has 4 divisors (see below), whose sum is σ = 12299040. Its totient is φ = 12259788.

The previous prime is 12279391. The next prime is 12279431. The reversal of 12279413 is 31497221.

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.

It is a cyclic number.

It is not a de Polignac number, because 12279413 - 2⁶ = 12279349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279473) 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, 8843 + ... + 10136.

It is an arithmetic number, because the mean of its divisors is an integer number (3074760).

Almost surely, 2^12279413 is an apocalyptic number.

It is an amenable number.

12279413 is a deficient number, since it is larger than the sum of its proper divisors (19627).

12279413 is an equidigital number, since it uses as much as digits as its factorization.

12279413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19626.

The product of its digits is 3024, while the sum is 29.

The square root of 12279413 is about 3504.1993379373. The cubic root of 12279413 is about 230.7061661319.

The spelling of 12279413 in words is "twelve million, two hundred seventy-nine thousand, four hundred thirteen".