12880215 has 24 divisors (see below), whose sum is σ = 23154768. Its totient is φ = 6868800.

The previous prime is 12880201. The next prime is 12880247. The reversal of 12880215 is 51208821.

It is not a de Polignac number, because 12880215 - 2⁴ = 12880199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4086 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (964782).

Almost surely, 2^12880215 is an apocalyptic number.

12880215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12880215 is a deficient number, since it is larger than the sum of its proper divisors (10274553).

12880215 is an equidigital number, since it uses as much as digits as its factorization.

12880215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621 (or 10609 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12880215 is about 3588.9016425642. The cubic root of 12880215 is about 234.4090478536.

The spelling of 12880215 in words is "twelve million, eight hundred eighty thousand, two hundred fifteen".