12928886 has 8 divisors (see below), whose sum is σ = 19417944. Its totient is φ = 6456240.

The previous prime is 12928849. The next prime is 12928897. The reversal of 12928886 is 68882921.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1895 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (2427243).

Almost surely, 2^12928886 is an apocalyptic number.

12928886 is a deficient number, since it is larger than the sum of its proper divisors (6489058).

12928886 is an equidigital number, since it uses as much as digits as its factorization.

12928886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206.

The product of its digits is 110592, while the sum is 44.

The square root of 12928886 is about 3595.6760143261. The cubic root of 12928886 is about 234.7039337802.

The spelling of 12928886 in words is "twelve million, nine hundred twenty-eight thousand, eight hundred eighty-six".