12553750 has 60 divisors (see below), whose sum is σ = 26175996. Its totient is φ = 4510000.

The previous prime is 12553733. The next prime is 12553753. The reversal of 12553750 is 5735521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553753) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 151209 + ... + 151291.

Almost surely, 2^12553750 is an apocalyptic number.

12553750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12553750 is an abundant number, since it is smaller than the sum of its proper divisors (13622246).

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

12553750 is an equidigital number, since it uses as much as digits as its factorization.

12553750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 12553750 is about 3543.1271498494. The cubic root of 12553750 is about 232.4116132218.

It can be divided in two parts, 1255 and 3750, that added together give a palindrome (5005).

The spelling of 12553750 in words is "twelve million, five hundred fifty-three thousand, seven hundred fifty".