12501250 has 40 divisors (see below), whose sum is σ = 23926716. Its totient is φ = 4896000.

The previous prime is 12501193. The next prime is 12501257. The reversal of 12501250 is 5210521.

It can be written as a sum of positive squares in 10 ways, for example, as 522729 + 11978521 = 723^2 + 3461^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91182 + ... + 91318.

Almost surely, 2^12501250 is an apocalyptic number.

12501250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12501250 is a deficient number, since it is larger than the sum of its proper divisors (11425466).

12501250 is an equidigital number, since it uses as much as digits as its factorization.

12501250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 12501250 is about 3535.7106782088. The cubic root of 12501250 is about 232.0871774042.

Adding to 12501250 its reverse (5210521), we get a palindrome (17711771).

It can be divided in two parts, 1250 and 1250, that added together give a square (2500 = 50²).

The spelling of 12501250 in words is "twelve million, five hundred one thousand, two hundred fifty".