13397707 has 4 divisors (see below), whose sum is σ = 13980240. Its totient is φ = 12815176.

The previous prime is 13397701. The next prime is 13397719. The reversal of 13397707 is 70779331.

13397707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70779331 = 7 ⋅10111333.

It is a cyclic number.

It is not a de Polignac number, because 13397707 - 2¹¹ = 13395659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13397701) 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, 291232 + ... + 291277.

It is an arithmetic number, because the mean of its divisors is an integer number (3495060).

Almost surely, 2^13397707 is an apocalyptic number.

13397707 is a deficient number, since it is larger than the sum of its proper divisors (582533).

13397707 is an equidigital number, since it uses as much as digits as its factorization.

13397707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582532.

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 13397707 is about 3660.2878302123. The cubic root of 13397707 is about 237.5072248956.

The spelling of 13397707 in words is "thirteen million, three hundred ninety-seven thousand, seven hundred seven".