13700807 has 2 divisors, whose sum is σ = 13700808. Its totient is φ = 13700806.

The previous prime is 13700779. The next prime is 13700809. The reversal of 13700807 is 70800731.

13700807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (70800731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13700807 - 2⁸ = 13700551 is a prime.

It is a super-2 number, since 2×13700807² = 375424224902498, which contains 22 as substring.

Together with 13700809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13700809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850403 + 6850404.

It is an arithmetic number, because the mean of its divisors is an integer number (6850404).

Almost surely, 2^13700807 is an apocalyptic number.

13700807 is a deficient number, since it is larger than the sum of its proper divisors (1).

13700807 is an equidigital number, since it uses as much as digits as its factorization.

13700807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 13700807 is about 3701.4601173051. The cubic root of 13700807 is about 239.2849492555.

Subtracting from 13700807 its product of nonzero digits (1176), we obtain a palindrome (13699631).

The spelling of 13700807 in words is "thirteen million, seven hundred thousand, eight hundred seven".