12407885 has 16 divisors (see below), whose sum is σ = 17098752. Its totient is φ = 8467200.

The previous prime is 12407873. The next prime is 12407887. The reversal of 12407885 is 58870421.

12407885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12407885 - 2⁴ = 12407869 is a prime.

It is a super-2 number, since 2×12407885² = 307911220346450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407887) 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 15 ways as a sum of consecutive naturals, for example, 7700 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (1068672).

Almost surely, 2^12407885 is an apocalyptic number.

It is an amenable number.

12407885 is a deficient number, since it is larger than the sum of its proper divisors (4690867).

12407885 is a wasteful number, since it uses less digits than its factorization.

12407885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 12407885 is about 3522.4827891702. The cubic root of 12407885 is about 231.5079556344.

The spelling of 12407885 in words is "twelve million, four hundred seven thousand, eight hundred eighty-five".