13338940 has 24 divisors (see below), whose sum is σ = 28696752. Its totient is φ = 5205120.

The previous prime is 13338911. The next prime is 13338943. The reversal of 13338940 is 4983331.

13338940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13338943) 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, 7314 + ... + 8953.

It is an arithmetic number, because the mean of its divisors is an integer number (1195698).

Almost surely, 2^13338940 is an apocalyptic number.

13338940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13338940 is an abundant number, since it is smaller than the sum of its proper divisors (15357812).

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

13338940 is a wasteful number, since it uses less digits than its factorization.

13338940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317 (or 16315 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 13338940 is about 3652.2513604625. The cubic root of 13338940 is about 237.1594528336.

The spelling of 13338940 in words is "thirteen million, three hundred thirty-eight thousand, nine hundred forty".