13001121239 has 2 divisors, whose sum is σ = 13001121240. Its totient is φ = 13001121238.

The previous prime is 13001121209. The next prime is 13001121271. The reversal of 13001121239 is 93212110031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13001121239 - 2⁸ = 13001120983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13001121209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500560619 + 6500560620.

It is an arithmetic number, because the mean of its divisors is an integer number (6500560620).

Almost surely, 2^13001121239 is an apocalyptic number.

13001121239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13001121239 is an equidigital number, since it uses as much as digits as its factorization.

13001121239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 13001121239 in words is "thirteen billion, one million, one hundred twenty-one thousand, two hundred thirty-nine".