13845580 has 24 divisors (see below), whose sum is σ = 33229728. Its totient is φ = 4747008.

The previous prime is 13845571. The next prime is 13845607. The reversal of 13845580 is 8554831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49309 + ... + 49588.

It is an arithmetic number, because the mean of its divisors is an integer number (1384572).

Almost surely, 2^13845580 is an apocalyptic number.

13845580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13845580 is an abundant number, since it is smaller than the sum of its proper divisors (19384148).

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

13845580 is a wasteful number, since it uses less digits than its factorization.

13845580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98913 (or 98911 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 13845580 is about 3720.9649286173. The cubic root of 13845580 is about 240.1248193319.

The spelling of 13845580 in words is "thirteen million, eight hundred forty-five thousand, five hundred eighty".