14979791 has 2 divisors, whose sum is σ = 14979792. Its totient is φ = 14979790.

The previous prime is 14979787. The next prime is 14979799. The reversal of 14979791 is 19797941.

It is a weak prime.

It is an emirp because it is prime and its reverse (19797941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14979791 - 2² = 14979787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14979799) 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, 7489895 + 7489896.

It is an arithmetic number, because the mean of its divisors is an integer number (7489896).

Almost surely, 2^14979791 is an apocalyptic number.

14979791 is a deficient number, since it is larger than the sum of its proper divisors (1).

14979791 is an equidigital number, since it uses as much as digits as its factorization.

14979791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 47.

The square root of 14979791 is about 3870.3734961887. The cubic root of 14979791 is about 246.5104028130.

The spelling of 14979791 in words is "fourteen million, nine hundred seventy-nine thousand, seven hundred ninety-one".