13963867 has 2 divisors, whose sum is σ = 13963868. Its totient is φ = 13963866.

The previous prime is 13963861. The next prime is 13963871. The reversal of 13963867 is 76836931.

13963867 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 a cyclic number.

It is not a de Polignac number, because 13963867 - 2²³ = 5575259 is a prime.

It is not a weakly prime, because it can be changed into another prime (13963861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6981933 + 6981934.

It is an arithmetic number, because the mean of its divisors is an integer number (6981934).

Almost surely, 2^13963867 is an apocalyptic number.

13963867 is a deficient number, since it is larger than the sum of its proper divisors (1).

13963867 is an equidigital number, since it uses as much as digits as its factorization.

13963867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 13963867 is about 3736.8257920326. The cubic root of 13963867 is about 240.8067009445.

The spelling of 13963867 in words is "thirteen million, nine hundred sixty-three thousand, eight hundred sixty-seven".