13122955391 has 16 divisors (see below), whose sum is σ = 16162105344. Its totient is φ = 10376070624.

The previous prime is 13122955379. The next prime is 13122955409. The reversal of 13122955391 is 19355922131.

13122955391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13122955391 - 2²² = 13118761087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122957391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91250 + ... + 185936.

It is an arithmetic number, because the mean of its divisors is an integer number (1010131584).

Almost surely, 2^13122955391 is an apocalyptic number.

13122955391 is a deficient number, since it is larger than the sum of its proper divisors (3039149953).

13122955391 is a wasteful number, since it uses less digits than its factorization.

13122955391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96230.

The product of its digits is 72900, while the sum is 41.

The spelling of 13122955391 in words is "thirteen billion, one hundred twenty-two million, nine hundred fifty-five thousand, three hundred ninety-one".