13407864 has 16 divisors (see below), whose sum is σ = 33519720. Its totient is φ = 4469280.

The previous prime is 13407859. The next prime is 13407869. The reversal of 13407864 is 46870431.

13407864 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 is an interprime number because it is at equal distance from previous prime (13407859) and next prime (13407869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13407869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279307 + ... + 279354.

Almost surely, 2^13407864 is an apocalyptic number.

It is an amenable number.

13407864 is an abundant number, since it is smaller than the sum of its proper divisors (20111856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13407864 is a wasteful number, since it uses less digits than its factorization.

13407864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558670 (or 558666 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 13407864 is about 3661.6750265418. The cubic root of 13407864 is about 237.5672289825.

The spelling of 13407864 in words is "thirteen million, four hundred seven thousand, eight hundred sixty-four".