13002737772 has 48 divisors (see below), whose sum is σ = 31437635040. Its totient is φ = 4177893888.

The previous prime is 13002737749. The next prime is 13002737773. The reversal of 13002737772 is 27773720031.

It is a self number, because there is not a number n which added to its sum of digits gives 13002737772.

It is not an unprimeable number, because it can be changed into a prime (13002737773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182848 + ... + 243800.

It is an arithmetic number, because the mean of its divisors is an integer number (654950730).

Almost surely, 2^13002737772 is an apocalyptic number.

13002737772 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 13002737772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15718817520).

13002737772 is an abundant number, since it is smaller than the sum of its proper divisors (18434897268).

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

13002737772 is a wasteful number, since it uses less digits than its factorization.

13002737772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61602 (or 61600 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 39.

The spelling of 13002737772 in words is "thirteen billion, two million, seven hundred thirty-seven thousand, seven hundred seventy-two".