13940856 has 64 divisors (see below), whose sum is σ = 39031200. Its totient is φ = 4610304.

The previous prime is 13940831. The next prime is 13940869. The reversal of 13940856 is 65804931.

13940856 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13940856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50190 + ... + 50466.

Almost surely, 2^13940856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13940856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19515600).

13940856 is an abundant number, since it is smaller than the sum of its proper divisors (25090344).

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

13940856 is a wasteful number, since it uses less digits than its factorization.

13940856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13940856 is about 3733.7455724781. The cubic root of 13940856 is about 240.6743534231.

The spelling of 13940856 in words is "thirteen million, nine hundred forty thousand, eight hundred fifty-six".