13368940 has 24 divisors (see below), whose sum is σ = 30234960. Its totient is φ = 4936128.

The previous prime is 13368937. The next prime is 13368947. The reversal of 13368940 is 4986331.

It is a junction number, because it is equal to n+sod(n) for n = 13368896 and 13368905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13368947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25450 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (1259790).

Almost surely, 2^13368940 is an apocalyptic number.

13368940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13368940 is an abundant number, since it is smaller than the sum of its proper divisors (16866020).

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

13368940 is a wasteful number, since it uses less digits than its factorization.

13368940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51441 (or 51439 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13368940 is about 3656.3561095714. The cubic root of 13368940 is about 237.3371145367.

The spelling of 13368940 in words is "thirteen million, three hundred sixty-eight thousand, nine hundred forty".