13122011393 has 2 divisors, whose sum is σ = 13122011394. Its totient is φ = 13122011392.

The previous prime is 13122011389. The next prime is 13122011417. The reversal of 13122011393 is 39311022131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10572569329 + 2549442064 = 102823^2 + 50492^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122011393 - 2² = 13122011389 is a prime.

It is not a weakly prime, because it can be changed into another prime (13122014393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561005696 + 6561005697.

It is an arithmetic number, because the mean of its divisors is an integer number (6561005697).

Almost surely, 2^13122011393 is an apocalyptic number.

It is an amenable number.

13122011393 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122011393 is an equidigital number, since it uses as much as digits as its factorization.

13122011393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 13122011393 in words is "thirteen billion, one hundred twenty-two million, eleven thousand, three hundred ninety-three".