13099697192 has 8 divisors (see below), whose sum is σ = 24561932250. Its totient is φ = 6549848592.

The previous prime is 13099697179. The next prime is 13099697197. The reversal of 13099697192 is 29179699031.

It can be written as a sum of positive squares in only one way, i.e., 10634971876 + 2464725316 = 103126^2 + 49646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13099697197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818731067 + ... + 818731082.

Almost surely, 2^13099697192 is an apocalyptic number.

It is an amenable number.

13099697192 is a deficient number, since it is larger than the sum of its proper divisors (11462235058).

13099697192 is a wasteful number, since it uses less digits than its factorization.

13099697192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637462155 (or 1637462151 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 56.

The spelling of 13099697192 in words is "thirteen billion, ninety-nine million, six hundred ninety-seven thousand, one hundred ninety-two".