12523251 has 8 divisors (see below), whose sum is σ = 17982160. Its totient is φ = 7706592.

The previous prime is 12523243. The next prime is 12523253. The reversal of 12523251 is 15232521.

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

It is not a de Polignac number, because 12523251 - 2³ = 12523243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12523253) 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, 160516 + ... + 160593.

It is an arithmetic number, because the mean of its divisors is an integer number (2247770).

Almost surely, 2^12523251 is an apocalyptic number.

12523251 is a deficient number, since it is larger than the sum of its proper divisors (5458909).

12523251 is a wasteful number, since it uses less digits than its factorization.

12523251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321125.

The product of its digits is 600, while the sum is 21.

The square root of 12523251 is about 3538.8205662339. The cubic root of 12523251 is about 232.2232479963.

Adding to 12523251 its reverse (15232521), we get a palindrome (27755772).

It can be divided in two parts, 1 and 2523251, that added together give a palindrome (2523252).

The spelling of 12523251 in words is "twelve million, five hundred twenty-three thousand, two hundred fifty-one".