12481251 has 8 divisors (see below), whose sum is σ = 17178624. Its totient is φ = 8052360.

The previous prime is 12481237. The next prime is 12481253. The reversal of 12481251 is 15218421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12481251 - 2⁵ = 12481219 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12481253) 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, 67011 + ... + 67196.

It is an arithmetic number, because the mean of its divisors is an integer number (2147328).

Almost surely, 2^12481251 is an apocalyptic number.

12481251 is a deficient number, since it is larger than the sum of its proper divisors (4697373).

12481251 is a wasteful number, since it uses less digits than its factorization.

12481251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134241.

The product of its digits is 640, while the sum is 24.

The square root of 12481251 is about 3532.8814019154. The cubic root of 12481251 is about 231.9633500865.

Adding to 12481251 its reverse (15218421), we get a palindrome (27699672).

The spelling of 12481251 in words is "twelve million, four hundred eighty-one thousand, two hundred fifty-one".