13276897920 has 896 divisors, whose sum is σ = 56188944000. Its totient is φ = 2956124160.

The previous prime is 13276897897. The next prime is 13276897951. The reversal of 13276897920 is 2979867231.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 66717981 + ... + 66718179.

It is an arithmetic number, because the mean of its divisors is an integer number (62710875).

Almost surely, 2^13276897920 is an apocalyptic number.

13276897920 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 13276897920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28094472000).

13276897920 is an abundant number, since it is smaller than the sum of its proper divisors (42912046080).

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

13276897920 is a wasteful number, since it uses less digits than its factorization.

13276897920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 13276897920 in words is "thirteen billion, two hundred seventy-six million, eight hundred ninety-seven thousand, nine hundred twenty".