13830540 has 48 divisors (see below), whose sum is σ = 38894688. Its totient is φ = 3672064.

The previous prime is 13830533. The next prime is 13830541. The reversal of 13830540 is 4503831.

It is a self number, because there is not a number n which added to its sum of digits gives 13830540.

It is not an unprimeable number, because it can be changed into a prime (13830541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20854 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (810306).

Almost surely, 2^13830540 is an apocalyptic number.

13830540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13830540 is an abundant number, since it is smaller than the sum of its proper divisors (25064148).

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

13830540 is a wasteful number, since it uses less digits than its factorization.

13830540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13830540 is about 3718.9433983324. The cubic root of 13830540 is about 240.0378412554.

The spelling of 13830540 in words is "thirteen million, eight hundred thirty thousand, five hundred forty".