12453251 has 4 divisors (see below), whose sum is σ = 12688272. Its totient is φ = 12218232.

The previous prime is 12453241. The next prime is 12453257. The reversal of 12453251 is 15235421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12453251 - 2¹⁴ = 12436867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12453257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117431 + ... + 117536.

It is an arithmetic number, because the mean of its divisors is an integer number (3172068).

Almost surely, 2^12453251 is an apocalyptic number.

12453251 is a deficient number, since it is larger than the sum of its proper divisors (235021).

12453251 is an equidigital number, since it uses as much as digits as its factorization.

12453251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235020.

The product of its digits is 1200, while the sum is 23.

The square root of 12453251 is about 3528.9164059241. The cubic root of 12453251 is about 231.7897607369.

Adding to 12453251 its reverse (15235421), we get a palindrome (27688672).

The spelling of 12453251 in words is "twelve million, four hundred fifty-three thousand, two hundred fifty-one".