13797899 has 2 divisors, whose sum is σ = 13797900. Its totient is φ = 13797898.

The previous prime is 13797887. The next prime is 13797919. The reversal of 13797899 is 99879731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13797899 - 2¹² = 13793803 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13797899.

It is not a weakly prime, because it can be changed into another prime (13797809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898949 + 6898950.

It is an arithmetic number, because the mean of its divisors is an integer number (6898950).

Almost surely, 2^13797899 is an apocalyptic number.

13797899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13797899 is an equidigital number, since it uses as much as digits as its factorization.

13797899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 53.

The square root of 13797899 is about 3714.5523283432. The cubic root of 13797899 is about 239.8488573826.

The spelling of 13797899 in words is "thirteen million, seven hundred ninety-seven thousand, eight hundred ninety-nine".