13297760 has 96 divisors (see below), whose sum is σ = 37158912. Its totient is φ = 4400640.

The previous prime is 13297759. The next prime is 13297769. The reversal of 13297760 is 6779231.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 13297760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13297769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34529 + ... + 34911.

It is an arithmetic number, because the mean of its divisors is an integer number (387072).

Almost surely, 2^13297760 is an apocalyptic number.

13297760 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 13297760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18579456).

13297760 is an abundant number, since it is smaller than the sum of its proper divisors (23861152).

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

13297760 is a wasteful number, since it uses less digits than its factorization.

13297760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 13297760 is about 3646.6093840717. The cubic root of 13297760 is about 236.9151482225.

The spelling of 13297760 in words is "thirteen million, two hundred ninety-seven thousand, seven hundred sixty".