13873140 has 96 divisors (see below), whose sum is σ = 45077760. Its totient is φ = 3535488.

The previous prime is 13873127. The next prime is 13873147. The reversal of 13873140 is 4137831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13873147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11862 + ... + 12978.

It is an arithmetic number, because the mean of its divisors is an integer number (469560).

Almost surely, 2^13873140 is an apocalyptic number.

13873140 is a gapful number since it is divisible by the number (10) 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 13873140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22538880).

13873140 is an abundant number, since it is smaller than the sum of its proper divisors (31204620).

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

13873140 is a wasteful number, since it uses less digits than its factorization.

13873140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13873140 is about 3724.6664280174. Note that the first 3 decimals coincide. The cubic root of 13873140 is about 240.2840387091.

The spelling of 13873140 in words is "thirteen million, eight hundred seventy-three thousand, one hundred forty".