13812250 has 16 divisors (see below), whose sum is σ = 25857000. Its totient is φ = 5524800.

The previous prime is 13812233. The next prime is 13812263. The reversal of 13812250 is 5221831.

It can be written as a sum of positive squares in 4 ways, for example, as 5349969 + 8462281 = 2313^2 + 2909^2 .

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, 27375 + ... + 27874.

Almost surely, 2^13812250 is an apocalyptic number.

13812250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13812250 is a deficient number, since it is larger than the sum of its proper divisors (12044750).

13812250 is an equidigital number, since it uses as much as digits as its factorization.

13812250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55266 (or 55256 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13812250 is about 3716.4835530377. The cubic root of 13812250 is about 239.9319830404.

The spelling of 13812250 in words is "thirteen million, eight hundred twelve thousand, two hundred fifty".