13883540 has 36 divisors (see below), whose sum is σ = 32052468. Its totient is φ = 5047680.

The previous prime is 13883533. The next prime is 13883549. The reversal of 13883540 is 4538831.

It is a happy number.

13883540 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 1800964 + 12082576 = 1342^2 + 3476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13883497 and 13883506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449 + ... + 5288.

Almost surely, 2^13883540 is an apocalyptic number.

13883540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13883540 is an abundant number, since it is smaller than the sum of its proper divisors (18168928).

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

13883540 is a wasteful number, since it uses less digits than its factorization.

13883540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 13883540 is about 3726.0622646435. The cubic root of 13883540 is about 240.3440666916.

The spelling of 13883540 in words is "thirteen million, eight hundred eighty-three thousand, five hundred forty".