12501252 has 18 divisors (see below), whose sum is σ = 31600478. Its totient is φ = 4167072.

The previous prime is 12501193. The next prime is 12501257. The reversal of 12501252 is 25210521.

It can be written as a sum of positive squares in only one way, i.e., 6625476 + 5875776 = 2574^2 + 2424^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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

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 5 ways as a sum of consecutive naturals, for example, 173593 + ... + 173664.

Almost surely, 2^12501252 is an apocalyptic number.

12501252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12501252 is an abundant number, since it is smaller than the sum of its proper divisors (19099226).

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

12501252 is a wasteful number, since it uses less digits than its factorization.

12501252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347267 (or 347262 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12501252 is about 3535.7109610374. The cubic root of 12501252 is about 232.0871897809.

Adding to 12501252 its reverse (25210521), we get a palindrome (37711773).

It can be divided in two parts, 12 and 501252, that added together give a square (501264 = 708²).

The spelling of 12501252 in words is "twelve million, five hundred one thousand, two hundred fifty-two".