13701909 has 16 divisors (see below), whose sum is σ = 19745600. Its totient is φ = 8401536.

The previous prime is 13701893. The next prime is 13701911. The reversal of 13701909 is 90910731.

It is not a de Polignac number, because 13701909 - 2⁴ = 13701893 is a prime.

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 (13701959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15522 + ... + 16380.

It is an arithmetic number, because the mean of its divisors is an integer number (1234100).

Almost surely, 2^13701909 is an apocalyptic number.

It is an amenable number.

13701909 is a deficient number, since it is larger than the sum of its proper divisors (6043691).

13701909 is a wasteful number, since it uses less digits than its factorization.

13701909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 13701909 is about 3701.6089744866. The cubic root of 13701909 is about 239.2913645697.

The spelling of 13701909 in words is "thirteen million, seven hundred one thousand, nine hundred nine".