13249947192 has 64 divisors (see below), whose sum is σ = 33509998080. Its totient is φ = 4365462912.

The previous prime is 13249947173. The next prime is 13249947223. The reversal of 13249947192 is 29174994231.

It is a super-2 number, since 2×13249947192² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372093 + ... + 1381715.

It is an arithmetic number, because the mean of its divisors is an integer number (523593720).

Almost surely, 2^13249947192 is an apocalyptic number.

13249947192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13249947192 is an abundant number, since it is smaller than the sum of its proper divisors (20260050888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13249947192 is a wasteful number, since it uses less digits than its factorization.

13249947192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292 (or 10288 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The spelling of 13249947192 in words is "thirteen billion, two hundred forty-nine million, nine hundred forty-seven thousand, one hundred ninety-two".