12472618 has 4 divisors (see below), whose sum is σ = 18708930. Its totient is φ = 6236308.

The previous prime is 12472583. The next prime is 12472619. The reversal of 12472618 is 81627421.

12472618 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, and also an emirpimes, since its reverse is a distinct semiprime: 81627421 = 17 ⋅4801613.

It can be written as a sum of positive squares in only one way, i.e., 11992369 + 480249 = 3463^2 + 693^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12472618.

It is not an unprimeable number, because it can be changed into a prime (12472619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3118153 + ... + 3118156.

Almost surely, 2^12472618 is an apocalyptic number.

12472618 is a deficient number, since it is larger than the sum of its proper divisors (6236312).

12472618 is an equidigital number, since it uses as much as digits as its factorization.

12472618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236311.

The product of its digits is 5376, while the sum is 31.

The square root of 12472618 is about 3531.6593833494. The cubic root of 12472618 is about 231.9098564775.

The spelling of 12472618 in words is "twelve million, four hundred seventy-two thousand, six hundred eighteen".