13302739631172 has 96 divisors (see below), whose sum is σ = 32464954690560. Its totient is φ = 4231553166720.

The previous prime is 13302739631161. The next prime is 13302739631173. The reversal of 13302739631172 is 27113693720331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13302739631173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246818347 + ... + 246872237.

It is an arithmetic number, because the mean of its divisors is an integer number (338176611360).

Almost surely, 2^{13302739631172} is an apocalyptic number.

13302739631172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13302739631172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16232477345280).

13302739631172 is an abundant number, since it is smaller than the sum of its proper divisors (19162215059388).

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

13302739631172 is a wasteful number, since it uses less digits than its factorization.

13302739631172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55993 (or 55991 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 48.

The spelling of 13302739631172 in words is "thirteen trillion, three hundred two billion, seven hundred thirty-nine million, six hundred thirty-one thousand, one hundred seventy-two".