13431360 has 112 divisors (see below), whose sum is σ = 45207936. Its totient is φ = 3366912.

The previous prime is 13431359. The next prime is 13431361. The reversal of 13431360 is 6313431.

It is an interprime number because it is at equal distance from previous prime (13431359) and next prime (13431361).

It is not an unprimeable number, because it can be changed into a prime (13431361) 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, 15909 + ... + 16731.

Almost surely, 2^13431360 is an apocalyptic number.

13431360 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 13431360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22603968).

13431360 is an abundant number, since it is smaller than the sum of its proper divisors (31776576).

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

13431360 is a wasteful number, since it uses less digits than its factorization.

13431360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 13431360 is about 3664.8819899145. The cubic root of 13431360 is about 237.7059192868.

Adding to 13431360 its reverse (6313431), we get a palindrome (19744791).

The spelling of 13431360 in words is "thirteen million, four hundred thirty-one thousand, three hundred sixty".