13900740 has 96 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 3037056.

The previous prime is 13900729. The next prime is 13900753. The reversal of 13900740 is 4700931.

It is a self number, because there is not a number n which added to its sum of digits gives 13900740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8941 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

Almost surely, 2^13900740 is an apocalyptic number.

13900740 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 13900740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23224320).

13900740 is an abundant number, since it is smaller than the sum of its proper divisors (32547900).

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

13900740 is a wasteful number, since it uses less digits than its factorization.

13900740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 13900740 is about 3728.3696168701. The cubic root of 13900740 is about 240.4432779874.

The spelling of 13900740 in words is "thirteen million, nine hundred thousand, seven hundred forty".