13294139 has 2 divisors, whose sum is σ = 13294140. Its totient is φ = 13294138.

The previous prime is 13294123. The next prime is 13294147. The reversal of 13294139 is 93149231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13294139 - 2⁴ = 13294123 is a prime.

It is not a weakly prime, because it can be changed into another prime (13294109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6647069 + 6647070.

It is an arithmetic number, because the mean of its divisors is an integer number (6647070).

Almost surely, 2^13294139 is an apocalyptic number.

13294139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13294139 is an equidigital number, since it uses as much as digits as its factorization.

13294139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 13294139 is about 3646.1128616651. The cubic root of 13294139 is about 236.8936421536.

The spelling of 13294139 in words is "thirteen million, two hundred ninety-four thousand, one hundred thirty-nine".