12544625 has 8 divisors (see below), whose sum is σ = 15655848. Its totient is φ = 10035600.

The previous prime is 12544621. The next prime is 12544663. The reversal of 12544625 is 52644521.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 11102224 = 1201^2 + 3332^2 .

It is not a de Polignac number, because 12544625 - 2² = 12544621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12544621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50054 + ... + 50303.

It is an arithmetic number, because the mean of its divisors is an integer number (1956981).

Almost surely, 2^12544625 is an apocalyptic number.

It is an amenable number.

12544625 is a deficient number, since it is larger than the sum of its proper divisors (3111223).

12544625 is an equidigital number, since it uses as much as digits as its factorization.

12544625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100372 (or 100362 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 12544625 is about 3541.8392114832. The cubic root of 12544625 is about 232.3552882188.

It can be divided in two parts, 12544 and 625, that multiplied together give a square (7840000 = 2800²).

The spelling of 12544625 in words is "twelve million, five hundred forty-four thousand, six hundred twenty-five".