13022694720 has 336 divisors, whose sum is σ = 52240281600. Its totient is φ = 2976390144.

The previous prime is 13022694719. The next prime is 13022694733. The reversal of 13022694720 is 2749622031.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 981249 + ... + 994431.

Almost surely, 2^13022694720 is an apocalyptic number.

13022694720 is a gapful number since it is divisible by the number (10) 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 13022694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26120140800).

13022694720 is an abundant number, since it is smaller than the sum of its proper divisors (39217586880).

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

13022694720 is a wasteful number, since it uses less digits than its factorization.

13022694720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227 (or 13200 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 13022694720 in words is "thirteen billion, twenty-two million, six hundred ninety-four thousand, seven hundred twenty".