12988085 has 32 divisors (see below), whose sum is σ = 18662400. Its totient is φ = 8565760.

The previous prime is 12988081. The next prime is 12988099. The reversal of 12988085 is 58088921.

It is not a de Polignac number, because 12988085 - 2² = 12988081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988081) 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 31 ways as a sum of consecutive naturals, for example, 26876 + ... + 27354.

It is an arithmetic number, because the mean of its divisors is an integer number (583200).

Almost surely, 2^12988085 is an apocalyptic number.

It is an amenable number.

12988085 is a deficient number, since it is larger than the sum of its proper divisors (5674315).

12988085 is a wasteful number, since it uses less digits than its factorization.

12988085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 12988085 is about 3603.8985834787. The cubic root of 12988085 is about 235.0616105247.

The spelling of 12988085 in words is "twelve million, nine hundred eighty-eight thousand, eighty-five".