13049899 has 2 divisors, whose sum is σ = 13049900. Its totient is φ = 13049898.

The previous prime is 13049887. The next prime is 13049917. The reversal of 13049899 is 99894031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13049899 - 2²³ = 4661291 is a prime.

It is not a weakly prime, because it can be changed into another prime (13040899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6524949 + 6524950.

It is an arithmetic number, because the mean of its divisors is an integer number (6524950).

Almost surely, 2^13049899 is an apocalyptic number.

13049899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13049899 is an equidigital number, since it uses as much as digits as its factorization.

13049899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 13049899 is about 3612.4643942882. The cubic root of 13049899 is about 235.4339289019.

The spelling of 13049899 in words is "thirteen million, forty-nine thousand, eight hundred ninety-nine".