13121360 has 40 divisors (see below), whose sum is σ = 34866816. Its totient is φ = 4498560.

The previous prime is 13121341. The next prime is 13121371. The reversal of 13121360 is 6312131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11156 + ... + 12275.

Almost surely, 2^13121360 is an apocalyptic number.

13121360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121360 is an abundant number, since it is smaller than the sum of its proper divisors (21745456).

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

13121360 is a wasteful number, since it uses less digits than its factorization.

13121360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23451 (or 23445 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13121360 is about 3622.3417839845. The cubic root of 13121360 is about 235.8628907697.

Adding to 13121360 its reverse (6312131), we get a palindrome (19433491).

The spelling of 13121360 in words is "thirteen million, one hundred twenty-one thousand, three hundred sixty".