13393907 has 4 divisors (see below), whose sum is σ = 13402080. Its totient is φ = 13385736.

The previous prime is 13393883. The next prime is 13393927. The reversal of 13393907 is 70939331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70939331 = 19 ⋅3733649.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13393907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13393927) 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, 683 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (3350520).

Almost surely, 2^13393907 is an apocalyptic number.

13393907 is a deficient number, since it is larger than the sum of its proper divisors (8173).

13393907 is an equidigital number, since it uses as much as digits as its factorization.

13393907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 13393907 is about 3659.7687085388. The cubic root of 13393907 is about 237.4847679982.

The spelling of 13393907 in words is "thirteen million, three hundred ninety-three thousand, nine hundred seven".