13420707 has 32 divisors (see below), whose sum is σ = 20390400. Its totient is φ = 7805952.

The previous prime is 13420699. The next prime is 13420723. The reversal of 13420707 is 70702431.

It is not a de Polignac number, because 13420707 - 2³ = 13420699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13420727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37843 + ... + 38195.

It is an arithmetic number, because the mean of its divisors is an integer number (637200).

Almost surely, 2^13420707 is an apocalyptic number.

13420707 is a deficient number, since it is larger than the sum of its proper divisors (6969693).

13420707 is a wasteful number, since it uses less digits than its factorization.

13420707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13420707 is about 3663.4283123872. The cubic root of 13420707 is about 237.6430576718.

The spelling of 13420707 in words is "thirteen million, four hundred twenty thousand, seven hundred seven".