12422472 has 16 divisors (see below), whose sum is σ = 31056240. Its totient is φ = 4140816.

The previous prime is 12422471. The next prime is 12422533. The reversal of 12422472 is 27422421.

12422472 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 Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 517603 = 12422472 / (1 + 2 + 4 + 2 + 2 + 4 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (12422471) 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, 258778 + ... + 258825.

It is an arithmetic number, because the mean of its divisors is an integer number (1941015).

Almost surely, 2^12422472 is an apocalyptic number.

12422472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12422472 is an abundant number, since it is smaller than the sum of its proper divisors (18633768).

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

12422472 is a wasteful number, since it uses less digits than its factorization.

12422472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517612 (or 517608 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 12422472 is about 3524.5527375825. The cubic root of 12422472 is about 231.5986421629.

Adding to 12422472 its reverse (27422421), we get a palindrome (39844893).

The spelling of 12422472 in words is "twelve million, four hundred twenty-two thousand, four hundred seventy-two".