13942667 has 2 divisors, whose sum is σ = 13942668. Its totient is φ = 13942666.

The previous prime is 13942661. The next prime is 13942693. The reversal of 13942667 is 76624931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13942667 - 2⁶ = 13942603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13942667.

It is not a weakly prime, because it can be changed into another prime (13942661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971333 + 6971334.

It is an arithmetic number, because the mean of its divisors is an integer number (6971334).

Almost surely, 2^13942667 is an apocalyptic number.

13942667 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942667 is an equidigital number, since it uses as much as digits as its factorization.

13942667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 13942667 is about 3733.9880824663. The cubic root of 13942667 is about 240.6847746479.

The spelling of 13942667 in words is "thirteen million, nine hundred forty-two thousand, six hundred sixty-seven".