13207864320 has 352 divisors, whose sum is σ = 53647776000. Its totient is φ = 3018719232.

The previous prime is 13207864273. The next prime is 13207864321. The reversal of 13207864320 is 2346870231.

It is a happy number.

13207864320 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 7 + 8 + 643 + 2 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (13207864321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960856 + ... + 974504.

Almost surely, 2^13207864320 is an apocalyptic number.

13207864320 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 13207864320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26823888000).

13207864320 is an abundant number, since it is smaller than the sum of its proper divisors (40439911680).

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

13207864320 is a wasteful number, since it uses less digits than its factorization.

13207864320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690 (or 13666 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 13207864320 in words is "thirteen billion, two hundred seven million, eight hundred sixty-four thousand, three hundred twenty".