13913340 has 96 divisors (see below), whose sum is σ = 45018624. Its totient is φ = 3144960.

The previous prime is 13913323. The next prime is 13913357. The reversal of 13913340 is 4331931.

It is an interprime number because it is at equal distance from previous prime (13913323) and next prime (13913357).

It is a self number, because there is not a number n which added to its sum of digits gives 13913340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65835 + ... + 66045.

It is an arithmetic number, because the mean of its divisors is an integer number (468944).

Almost surely, 2^13913340 is an apocalyptic number.

13913340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13913340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22509312).

13913340 is an abundant number, since it is smaller than the sum of its proper divisors (31105284).

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

13913340 is a wasteful number, since it uses less digits than its factorization.

13913340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 13913340 is about 3730.0589807669. The cubic root of 13913340 is about 240.5159041066.

The spelling of 13913340 in words is "thirteen million, nine hundred thirteen thousand, three hundred forty".