13975799 has 2 divisors, whose sum is σ = 13975800. Its totient is φ = 13975798.

The previous prime is 13975769. The next prime is 13975859. The reversal of 13975799 is 99757931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13975799 - 2¹⁶ = 13910263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13975739) 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, 6987899 + 6987900.

It is an arithmetic number, because the mean of its divisors is an integer number (6987900).

Almost surely, 2^13975799 is an apocalyptic number.

13975799 is a deficient number, since it is larger than the sum of its proper divisors (1).

13975799 is an equidigital number, since it uses as much as digits as its factorization.

13975799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 535815, while the sum is 50.

The square root of 13975799 is about 3738.4219933015. The cubic root of 13975799 is about 240.8752704780.

The spelling of 13975799 in words is "thirteen million, nine hundred seventy-five thousand, seven hundred ninety-nine".