12877231 has 6 divisors (see below), whose sum is σ = 13591032. Its totient is φ = 12199140.

The previous prime is 12877229. The next prime is 12877243. The reversal of 12877231 is 13277821.

It is not a de Polignac number, because 12877231 - 2¹ = 12877229 is a prime.

It is a super-2 number, since 2×12877231² = 331646156454722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12877193 and 12877202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12877261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17475 + ... + 18196.

It is an arithmetic number, because the mean of its divisors is an integer number (2265172).

Almost surely, 2^12877231 is an apocalyptic number.

12877231 is a deficient number, since it is larger than the sum of its proper divisors (713801).

12877231 is an equidigital number, since it uses as much as digits as its factorization.

12877231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35709 (or 35690 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 12877231 is about 3588.4858924064. The cubic root of 12877231 is about 234.3909443612.

The spelling of 12877231 in words is "twelve million, eight hundred seventy-seven thousand, two hundred thirty-one".