13347531472172 has 24 divisors (see below), whose sum is σ = 23420020603056. Its totient is φ = 6656101328448.

The previous prime is 13347531472123. The next prime is 13347531472201. The reversal of 13347531472172 is 27127413574331.

It is a super-2 number, since 2×13347531472172² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13347531472172.

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, 11935403 + ... + 13005725.

It is an arithmetic number, because the mean of its divisors is an integer number (975834191794).

Almost surely, 2^{13347531472172} is an apocalyptic number.

It is an amenable number.

13347531472172 is a deficient number, since it is larger than the sum of its proper divisors (10072489130884).

13347531472172 is a wasteful number, since it uses less digits than its factorization.

13347531472172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078577 (or 1078575 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 50.

The spelling of 13347531472172 in words is "thirteen trillion, three hundred forty-seven billion, five hundred thirty-one million, four hundred seventy-two thousand, one hundred seventy-two".