13122013297 has 2 divisors, whose sum is σ = 13122013298. Its totient is φ = 13122013296.

The previous prime is 13122013283. The next prime is 13122013313. The reversal of 13122013297 is 79231022131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12624544881 + 497468416 = 112359^2 + 22304^2 .

It is an emirp because it is prime and its reverse (79231022131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13122013297 is a prime.

It is not a weakly prime, because it can be changed into another prime (13122013217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561006648 + 6561006649.

It is an arithmetic number, because the mean of its divisors is an integer number (6561006649).

Almost surely, 2^13122013297 is an apocalyptic number.

It is an amenable number.

13122013297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122013297 is an equidigital number, since it uses as much as digits as its factorization.

13122013297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 13122013297 in words is "thirteen billion, one hundred twenty-two million, thirteen thousand, two hundred ninety-seven".