12523247 has 8 divisors (see below), whose sum is σ = 14256000. Its totient is φ = 10889560.

The previous prime is 12523243. The next prime is 12523253. The reversal of 12523247 is 74232521.

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

It is not a de Polignac number, because 12523247 - 2² = 12523243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24497 + ... + 25002.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^12523247 is an apocalyptic number.

12523247 is a deficient number, since it is larger than the sum of its proper divisors (1732753).

12523247 is a wasteful number, since it uses less digits than its factorization.

12523247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49533.

The product of its digits is 3360, while the sum is 26.

The square root of 12523247 is about 3538.8200010738. The cubic root of 12523247 is about 232.2232232718.

Adding to 12523247 its reverse (74232521), we get a palindrome (86755768).

The spelling of 12523247 in words is "twelve million, five hundred twenty-three thousand, two hundred forty-seven".