12504247 has 8 divisors (see below), whose sum is σ = 14315936. Its totient is φ = 10698912.

The previous prime is 12504227. The next prime is 12504251. The reversal of 12504247 is 74240521.

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

It is not a de Polignac number, because 12504247 - 2⁷ = 12504119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504227) 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, 3913 + ... + 6349.

It is an arithmetic number, because the mean of its divisors is an integer number (1789492).

Almost surely, 2^12504247 is an apocalyptic number.

12504247 is a deficient number, since it is larger than the sum of its proper divisors (1811689).

12504247 is an equidigital number, since it uses as much as digits as its factorization.

12504247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12504247 is about 3536.1344714250. The cubic root of 12504247 is about 232.1057224748.

Adding to 12504247 its reverse (74240521), we get a palindrome (86744768).

The spelling of 12504247 in words is "twelve million, five hundred four thousand, two hundred forty-seven".