14639791 has 2 divisors, whose sum is σ = 14639792. Its totient is φ = 14639790.

The previous prime is 14639783. The next prime is 14639797. The reversal of 14639791 is 19793641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14639791 - 2³ = 14639783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14639797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7319895 + 7319896.

It is an arithmetic number, because the mean of its divisors is an integer number (7319896).

Almost surely, 2^14639791 is an apocalyptic number.

14639791 is a deficient number, since it is larger than the sum of its proper divisors (1).

14639791 is an equidigital number, since it uses as much as digits as its factorization.

14639791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 14639791 is about 3826.1979823318. The cubic root of 14639791 is about 244.6310760134.

The spelling of 14639791 in words is "fourteen million, six hundred thirty-nine thousand, seven hundred ninety-one".