13337140 has 12 divisors (see below), whose sum is σ = 28008036. Its totient is φ = 5334848.

The previous prime is 13337123. The next prime is 13337167. The reversal of 13337140 is 4173331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4822416 + 8514724 = 2196^2 + 2918^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333409 + ... + 333448.

It is an arithmetic number, because the mean of its divisors is an integer number (2334003).

Almost surely, 2^13337140 is an apocalyptic number.

13337140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13337140 is an abundant number, since it is smaller than the sum of its proper divisors (14670896).

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

13337140 is a wasteful number, since it uses less digits than its factorization.

13337140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666866 (or 666864 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13337140 is about 3652.0049288028. The cubic root of 13337140 is about 237.1487846641.

It can be divided in two parts, 133 and 37140, that added together give a palindrome (37273).

The spelling of 13337140 in words is "thirteen million, three hundred thirty-seven thousand, one hundred forty".