12886357 has 16 divisors (see below), whose sum is σ = 15023232. Its totient is φ = 10923520.

The previous prime is 12886343. The next prime is 12886381. The reversal of 12886357 is 75368821.

It is not a de Polignac number, because 12886357 - 2⁷ = 12886229 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 (12886327) 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, 25368 + ... + 25870.

It is an arithmetic number, because the mean of its divisors is an integer number (938952).

Almost surely, 2^12886357 is an apocalyptic number.

12886357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12886357 is a deficient number, since it is larger than the sum of its proper divisors (2136875).

12886357 is a wasteful number, since it uses less digits than its factorization.

12886357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its digits is 80640, while the sum is 40.

The square root of 12886357 is about 3589.7572341316. The cubic root of 12886357 is about 234.4463016723.

The spelling of 12886357 in words is "twelve million, eight hundred eighty-six thousand, three hundred fifty-seven".