13907397 has 32 divisors (see below), whose sum is σ = 21934080. Its totient is φ = 7675200.

The previous prime is 13907393. The next prime is 13907417. The reversal of 13907397 is 79370931.

13907397 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13907397 - 2² = 13907393 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13907393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137647 + ... + 137747.

It is an arithmetic number, because the mean of its divisors is an integer number (685440).

Almost surely, 2^13907397 is an apocalyptic number.

It is an amenable number.

13907397 is a deficient number, since it is larger than the sum of its proper divisors (8026683).

13907397 is a wasteful number, since it uses less digits than its factorization.

13907397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 13907397 is about 3729.2622594824. The cubic root of 13907397 is about 240.4816542527.

The spelling of 13907397 in words is "thirteen million, nine hundred seven thousand, three hundred ninety-seven".