13198691732 has 24 divisors (see below), whose sum is σ = 23404217760. Its totient is φ = 6512336480.

The previous prime is 13198691699. The next prime is 13198691743. The reversal of 13198691732 is 23719689131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23438 + ... + 164154.

It is an arithmetic number, because the mean of its divisors is an integer number (975175740).

Almost surely, 2^13198691732 is an apocalyptic number.

It is an amenable number.

13198691732 is a deficient number, since it is larger than the sum of its proper divisors (10205526028).

13198691732 is a wasteful number, since it uses less digits than its factorization.

13198691732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141031 (or 141029 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The spelling of 13198691732 in words is "thirteen billion, one hundred ninety-eight million, six hundred ninety-one thousand, seven hundred thirty-two".