13139099 has 4 divisors (see below), whose sum is σ = 13164840. Its totient is φ = 13113360.

The previous prime is 13139083. The next prime is 13139111. The reversal of 13139099 is 99093131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99093131 = 23 ⋅4308397.

It is a cyclic number.

It is not a de Polignac number, because 13139099 - 2⁴ = 13139083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13139029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12089 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (3291210).

Almost surely, 2^13139099 is an apocalyptic number.

13139099 is a deficient number, since it is larger than the sum of its proper divisors (25741).

13139099 is an equidigital number, since it uses as much as digits as its factorization.

13139099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25740.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 13139099 is about 3624.7895111303. The cubic root of 13139099 is about 235.9691319869.

The spelling of 13139099 in words is "thirteen million, one hundred thirty-nine thousand, ninety-nine".