13322379312 has 160 divisors (see below), whose sum is σ = 42036952320. Its totient is φ = 4006080000.

The previous prime is 13322379293. The next prime is 13322379353. The reversal of 13322379312 is 21397322331.

13322379312 is a `hidden beast` number, since 1 + 332 + 2 + 3 + 7 + 9 + 312 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611812 + ... + 633212.

It is an arithmetic number, because the mean of its divisors is an integer number (262730952).

Almost surely, 2^13322379312 is an apocalyptic number.

13322379312 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 13322379312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21018476160).

13322379312 is an abundant number, since it is smaller than the sum of its proper divisors (28714573008).

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

13322379312 is a wasteful number, since it uses less digits than its factorization.

13322379312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21560 (or 21548 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The spelling of 13322379312 in words is "thirteen billion, three hundred twenty-two million, three hundred seventy-nine thousand, three hundred twelve".