13287250 has 16 divisors (see below), whose sum is σ = 24874200. Its totient is φ = 5314800.

The previous prime is 13287233. The next prime is 13287269. The reversal of 13287250 is 5278231.

It can be written as a sum of positive squares in 4 ways, for example, as 4661281 + 8625969 = 2159^2 + 2937^2 .

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, 26325 + ... + 26824.

Almost surely, 2^13287250 is an apocalyptic number.

13287250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13287250 is a deficient number, since it is larger than the sum of its proper divisors (11586950).

13287250 is an equidigital number, since it uses as much as digits as its factorization.

13287250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53166 (or 53156 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13287250 is about 3645.1680345356. The cubic root of 13287250 is about 236.8527157906.

The spelling of 13287250 in words is "thirteen million, two hundred eighty-seven thousand, two hundred fifty".