12880631 has 8 divisors (see below), whose sum is σ = 13193904. Its totient is φ = 12571200.

The previous prime is 12880589. The next prime is 12880649. The reversal of 12880631 is 13608821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12880631 is a prime.

It is a super-2 number, since 2×12880631² = 331821309916322, 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 = 12880594 and 12880603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6500 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (1649238).

Almost surely, 2^12880631 is an apocalyptic number.

12880631 is a deficient number, since it is larger than the sum of its proper divisors (313273).

12880631 is a wasteful number, since it uses less digits than its factorization.

12880631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12880631 is about 3588.9595985466. The cubic root of 12880631 is about 234.4115714428.

The spelling of 12880631 in words is "twelve million, eight hundred eighty thousand, six hundred thirty-one".