12886051 has 4 divisors (see below), whose sum is σ = 13644072. Its totient is φ = 12128032.

The previous prime is 12886019. The next prime is 12886061. The reversal of 12886051 is 15068821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15068821 = 31 ⋅486091.

It is a cyclic number.

It is not a de Polignac number, because 12886051 - 2⁵ = 12886019 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12886001) 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, 378985 + ... + 379018.

It is an arithmetic number, because the mean of its divisors is an integer number (3411018).

Almost surely, 2^12886051 is an apocalyptic number.

12886051 is a deficient number, since it is larger than the sum of its proper divisors (758021).

12886051 is an equidigital number, since it uses as much as digits as its factorization.

12886051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758020.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 12886051 is about 3589.7146126120. The cubic root of 12886051 is about 234.4444459335. Note that the first 5 decimals are identical.

The spelling of 12886051 in words is "twelve million, eight hundred eighty-six thousand, fifty-one".