13992807 has 8 divisors (see below), whose sum is σ = 18693376. Its totient is φ = 9310392.

The previous prime is 13992791. The next prime is 13992817. The reversal of 13992807 is 70829931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13992807 - 2⁴ = 13992791 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 (13992817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (2336672).

Almost surely, 2^13992807 is an apocalyptic number.

13992807 is a deficient number, since it is larger than the sum of its proper divisors (4700569).

13992807 is an equidigital number, since it uses as much as digits as its factorization.

13992807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 13992807 is about 3740.6960582223. The cubic root of 13992807 is about 240.9729427909.

The spelling of 13992807 in words is "thirteen million, nine hundred ninety-two thousand, eight hundred seven".