12876531 has 8 divisors (see below), whose sum is σ = 18178704. Its totient is φ = 8079360.

The previous prime is 12876517. The next prime is 12876533. The reversal of 12876531 is 13567821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12876531 - 2⁶ = 12876467 is a prime.

It is a super-2 number, since 2×12876531² = 331610101187922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12876492 and 12876501.

It is not an unprimeable number, because it can be changed into a prime (12876533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126190 + ... + 126291.

It is an arithmetic number, because the mean of its divisors is an integer number (2272338).

Almost surely, 2^12876531 is an apocalyptic number.

12876531 is a deficient number, since it is larger than the sum of its proper divisors (5302173).

12876531 is a wasteful number, since it uses less digits than its factorization.

12876531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252501.

The product of its digits is 10080, while the sum is 33.

The square root of 12876531 is about 3588.3883569090. The cubic root of 12876531 is about 234.3866971584.

The spelling of 12876531 in words is "twelve million, eight hundred seventy-six thousand, five hundred thirty-one".