12472518 has 8 divisors (see below), whose sum is σ = 24945048. Its totient is φ = 4157504.

The previous prime is 12472517. The next prime is 12472547. The reversal of 12472518 is 81527421.

12472518 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

12472518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472513) 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, 1039371 + ... + 1039382.

It is an arithmetic number, because the mean of its divisors is an integer number (3118131).

Almost surely, 2^12472518 is an apocalyptic number.

12472518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12472518 is a wasteful number, since it uses less digits than its factorization.

12472518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078758.

The product of its digits is 4480, while the sum is 30.

The square root of 12472518 is about 3531.6452256703. The cubic root of 12472518 is about 231.9092366919.

Adding to 12472518 its reverse (81527421), we get a palindrome (93999939).

The spelling of 12472518 in words is "twelve million, four hundred seventy-two thousand, five hundred eighteen".