13920367 has 2 divisors, whose sum is σ = 13920368. Its totient is φ = 13920366.

The previous prime is 13920349. The next prime is 13920391. The reversal of 13920367 is 76302931.

13920367 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (76302931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13920367 - 2⁷ = 13920239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13920337) 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 as a sum of consecutive naturals, namely, 6960183 + 6960184.

It is an arithmetic number, because the mean of its divisors is an integer number (6960184).

Almost surely, 2^13920367 is an apocalyptic number.

13920367 is a deficient number, since it is larger than the sum of its proper divisors (1).

13920367 is an equidigital number, since it uses as much as digits as its factorization.

13920367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 13920367 is about 3731.0008040739. Note that the first 3 decimals coincide. The cubic root of 13920367 is about 240.5563885339.

The spelling of 13920367 in words is "thirteen million, nine hundred twenty thousand, three hundred sixty-seven".