13340390 has 16 divisors (see below), whose sum is σ = 27443232. Its totient is φ = 4573824.

The previous prime is 13340357. The next prime is 13340407. The reversal of 13340390 is 9304331.

It is a Curzon number.

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, 95219 + ... + 95358.

It is an arithmetic number, because the mean of its divisors is an integer number (1715202).

Almost surely, 2^13340390 is an apocalyptic number.

13340390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13340390 is an abundant number, since it is smaller than the sum of its proper divisors (14102842).

13340390 is a wasteful number, since it uses less digits than its factorization.

13340390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190591.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 13340390 is about 3652.4498627633. The cubic root of 13340390 is about 237.1680459388.

The spelling of 13340390 in words is "thirteen million, three hundred forty thousand, three hundred ninety".