13761856 has 28 divisors (see below), whose sum is σ = 27592020. Its totient is φ = 6809600.

The previous prime is 13761851. The next prime is 13761877. The reversal of 13761856 is 65816731.

13761856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9096256 + 4665600 = 3016^2 + 2160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13761851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5400 + ... + 7528.

Almost surely, 2^13761856 is an apocalyptic number.

13761856 is a gapful number since it is divisible by the number (16) 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 13761856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13796010).

13761856 is an abundant number, since it is smaller than the sum of its proper divisors (13830164).

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

13761856 is a wasteful number, since it uses less digits than its factorization.

13761856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2232 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 13761856 is about 3709.6975617966. The cubic root of 13761856 is about 239.6398301310.

The spelling of 13761856 in words is "thirteen million, seven hundred sixty-one thousand, eight hundred fifty-six".