13873240 has 16 divisors (see below), whose sum is σ = 31214880. Its totient is φ = 5549280.

The previous prime is 13873229. The next prime is 13873267. The reversal of 13873240 is 4237831.

13873240 is nontrivially palindromic in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 13873199 and 13873208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173376 + ... + 173455.

It is an arithmetic number, because the mean of its divisors is an integer number (1950930).

Almost surely, 2^13873240 is an apocalyptic number.

13873240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13873240 is an abundant number, since it is smaller than the sum of its proper divisors (17341640).

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

13873240 is a wasteful number, since it uses less digits than its factorization.

13873240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346842 (or 346838 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13873240 is about 3724.6798520141. The cubic root of 13873240 is about 240.2846160441.

The spelling of 13873240 in words is "thirteen million, eight hundred seventy-three thousand, two hundred forty".