12890379 has 16 divisors (see below), whose sum is σ = 18403200. Its totient is φ = 8001216.

The previous prime is 12890363. The next prime is 12890387. The reversal of 12890379 is 97309821.

It is not a de Polignac number, because 12890379 - 2⁴ = 12890363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12890179) 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, 1447 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (1150200).

Almost surely, 2^12890379 is an apocalyptic number.

12890379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12890379 is a deficient number, since it is larger than the sum of its proper divisors (5512821).

12890379 is a wasteful number, since it uses less digits than its factorization.

12890379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 12890379 is about 3590.3173954401. The cubic root of 12890379 is about 234.4706903841.

The spelling of 12890379 in words is "twelve million, eight hundred ninety thousand, three hundred seventy-nine".