13997099 has 2 divisors, whose sum is σ = 13997100. Its totient is φ = 13997098.

The previous prime is 13997083. The next prime is 13997143. The reversal of 13997099 is 99079931.

It is a happy number.

13997099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13997099 - 2⁴ = 13997083 is a prime.

It is not a weakly prime, because it can be changed into another prime (13997999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998549 + 6998550.

It is an arithmetic number, because the mean of its divisors is an integer number (6998550).

Almost surely, 2^13997099 is an apocalyptic number.

13997099 is a deficient number, since it is larger than the sum of its proper divisors (1).

13997099 is an equidigital number, since it uses as much as digits as its factorization.

13997099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137781, while the sum is 47.

The square root of 13997099 is about 3741.2697042582. The cubic root of 13997099 is about 240.9975780706.

The spelling of 13997099 in words is "thirteen million, nine hundred ninety-seven thousand, ninety-nine".