13963091 has 2 divisors, whose sum is σ = 13963092. Its totient is φ = 13963090.

The previous prime is 13963087. The next prime is 13963111. The reversal of 13963091 is 19036931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13963091 - 2² = 13963087 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13963021) 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, 6981545 + 6981546.

It is an arithmetic number, because the mean of its divisors is an integer number (6981546).

Almost surely, 2^13963091 is an apocalyptic number.

13963091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13963091 is an equidigital number, since it uses as much as digits as its factorization.

13963091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 13963091 is about 3736.7219591508. The cubic root of 13963091 is about 240.8022401586.

The spelling of 13963091 in words is "thirteen million, nine hundred sixty-three thousand, ninety-one".