12472423 has 6 divisors (see below), whose sum is σ = 12690944. Its totient is φ = 12257604.

The previous prime is 12472403. The next prime is 12472433. The reversal of 12472423 is 32427421.

It is a happy number.

It is not a de Polignac number, because 12472423 - 2⁵ = 12472391 is a prime.

It is a super-3 number, since 3×12472423³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1690 + ... + 5272.

Almost surely, 2^12472423 is an apocalyptic number.

12472423 is a deficient number, since it is larger than the sum of its proper divisors (218521).

12472423 is an frugal number, since it uses more digits than its factorization.

12472423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701 (or 3642 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 12472423 is about 3531.6317758226. The cubic root of 12472423 is about 231.9086478925.

Adding to 12472423 its reverse (32427421), we get a palindrome (44899844).

The spelling of 12472423 in words is "twelve million, four hundred seventy-two thousand, four hundred twenty-three".