13649099 has 2 divisors, whose sum is σ = 13649100. Its totient is φ = 13649098.

The previous prime is 13649093. The next prime is 13649107. The reversal of 13649099 is 99094631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13649099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13649093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6824549 + 6824550.

It is an arithmetic number, because the mean of its divisors is an integer number (6824550).

Almost surely, 2^13649099 is an apocalyptic number.

13649099 is a deficient number, since it is larger than the sum of its proper divisors (1).

13649099 is an equidigital number, since it uses as much as digits as its factorization.

13649099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 13649099 is about 3694.4687033456. The cubic root of 13649099 is about 238.9835425722.

The spelling of 13649099 in words is "thirteen million, six hundred forty-nine thousand, ninety-nine".