12876551 has 12 divisors (see below), whose sum is σ = 13608504. Its totient is φ = 12180000.

The previous prime is 12876541. The next prime is 12876557. The reversal of 12876551 is 15567821.

12876551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12876551 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 (12876557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51176 + ... + 51426.

It is an arithmetic number, because the mean of its divisors is an integer number (1134042).

Almost surely, 2^12876551 is an apocalyptic number.

12876551 is a deficient number, since it is larger than the sum of its proper divisors (731953).

12876551 is an equidigital number, since it uses as much as digits as its factorization.

12876551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 341 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 12876551 is about 3588.3911436743. The cubic root of 12876551 is about 234.3868185092.

The spelling of 12876551 in words is "twelve million, eight hundred seventy-six thousand, five hundred fifty-one".