13407885 has 12 divisors (see below), whose sum is σ = 23240412. Its totient is φ = 7150848.

The previous prime is 13407871. The next prime is 13407907. The reversal of 13407885 is 58870431.

13407885 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5673924 + 7733961 = 2382^2 + 2781^2 .

It is not a de Polignac number, because 13407885 - 2⁴ = 13407869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148932 + ... + 149021.

It is an arithmetic number, because the mean of its divisors is an integer number (1936701).

Almost surely, 2^13407885 is an apocalyptic number.

13407885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13407885 is a deficient number, since it is larger than the sum of its proper divisors (9832527).

13407885 is a wasteful number, since it uses less digits than its factorization.

13407885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297964 (or 297961 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 13407885 is about 3661.6778940808. The cubic root of 13407885 is about 237.5673530119.

The spelling of 13407885 in words is "thirteen million, four hundred seven thousand, eight hundred eighty-five".