12630247 has 4 divisors (see below), whose sum is σ = 14434576. Its totient is φ = 10825920.

The previous prime is 12630229. The next prime is 12630251. The reversal of 12630247 is 74203621.

12630247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12630247 - 2¹¹ = 12628199 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 (12630217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902154 + ... + 902167.

It is an arithmetic number, because the mean of its divisors is an integer number (3608644).

Almost surely, 2^12630247 is an apocalyptic number.

12630247 is a deficient number, since it is larger than the sum of its proper divisors (1804329).

12630247 is an equidigital number, since it uses as much as digits as its factorization.

12630247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804328.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 12630247 is about 3553.9058794515. The cubic root of 12630247 is about 232.8827287823.

Adding to 12630247 its reverse (74203621), we get a palindrome (86833868).

The spelling of 12630247 in words is "twelve million, six hundred thirty thousand, two hundred forty-seven".