12538750 has 40 divisors (see below), whose sum is σ = 26878896. Its totient is φ = 4296000.

The previous prime is 12538723. The next prime is 12538753. The reversal of 12538750 is 5783521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12538753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8034 + ... + 9466.

Almost surely, 2^12538750 is an apocalyptic number.

12538750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12538750 is an abundant number, since it is smaller than the sum of its proper divisors (14340146).

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

12538750 is an equidigital number, since it uses as much as digits as its factorization.

12538750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1447 counting only the distinct ones).

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

The square root of 12538750 is about 3541.0097429970. The cubic root of 12538750 is about 232.3190097203.

The spelling of 12538750 in words is "twelve million, five hundred thirty-eight thousand, seven hundred fifty".