13907807 has 4 divisors (see below), whose sum is σ = 13919976. Its totient is φ = 13895640.

The previous prime is 13907779. The next prime is 13907813. The reversal of 13907807 is 70870931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13907807 - 2⁶ = 13907743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13907837) 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, 4169 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (3479994).

Almost surely, 2^13907807 is an apocalyptic number.

13907807 is a deficient number, since it is larger than the sum of its proper divisors (12169).

13907807 is a wasteful number, since it uses less digits than its factorization.

13907807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 13907807 is about 3729.3172297352. The cubic root of 13907807 is about 240.4840174198.

The spelling of 13907807 in words is "thirteen million, nine hundred seven thousand, eight hundred seven".