13857250 has 32 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 5038000.

The previous prime is 13857229. The next prime is 13857253. The reversal of 13857250 is 5275831.

It is not an unprimeable number, because it can be changed into a prime (13857253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^13857250 is an apocalyptic number.

13857250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13857250 is an abundant number, since it is smaller than the sum of its proper divisors (14447390).

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

13857250 is a wasteful number, since it uses less digits than its factorization.

13857250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 13857250 is about 3722.5327399500. The cubic root of 13857250 is about 240.1922649162.

The spelling of 13857250 in words is "thirteen million, eight hundred fifty-seven thousand, two hundred fifty".