13729099 has 2 divisors, whose sum is σ = 13729100. Its totient is φ = 13729098.

The previous prime is 13729061. The next prime is 13729117. The reversal of 13729099 is 99092731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13729099 - 2⁷ = 13728971 is a prime.

It is not a weakly prime, because it can be changed into another prime (13729019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6864549 + 6864550.

It is an arithmetic number, because the mean of its divisors is an integer number (6864550).

Almost surely, 2^13729099 is an apocalyptic number.

13729099 is a deficient number, since it is larger than the sum of its proper divisors (1).

13729099 is an equidigital number, since it uses as much as digits as its factorization.

13729099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 13729099 is about 3705.2798814664. The cubic root of 13729099 is about 239.4495428506.

The spelling of 13729099 in words is "thirteen million, seven hundred twenty-nine thousand, ninety-nine".