13036843992 has 128 divisors (see below), whose sum is σ = 36504898560. Its totient is φ = 3858370560.

The previous prime is 13036843951. The next prime is 13036843993. The reversal of 13036843992 is 29934863031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13036843993) 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, 675517 + ... + 694547.

It is an arithmetic number, because the mean of its divisors is an integer number (285194520).

Almost surely, 2^13036843992 is an apocalyptic number.

13036843992 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 13036843992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18252449280).

13036843992 is an abundant number, since it is smaller than the sum of its proper divisors (23468054568).

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

13036843992 is a wasteful number, since it uses less digits than its factorization.

13036843992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19153 (or 19149 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 13036843992 in words is "thirteen billion, thirty-six million, eight hundred forty-three thousand, nine hundred ninety-two".