12544473 has 8 divisors (see below), whose sum is σ = 16888768. Its totient is φ = 8281584.

The previous prime is 12544451. The next prime is 12544481. The reversal of 12544473 is 37444521.

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

It is not a de Polignac number, because 12544473 - 2⁶ = 12544409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12544473.

It is not an unprimeable number, because it can be changed into a prime (12544423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19990 + ... + 20607.

It is an arithmetic number, because the mean of its divisors is an integer number (2111096).

Almost surely, 2^12544473 is an apocalyptic number.

It is an amenable number.

12544473 is a deficient number, since it is larger than the sum of its proper divisors (4344295).

12544473 is a wasteful number, since it uses less digits than its factorization.

12544473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40703.

The product of its digits is 13440, while the sum is 30.

The square root of 12544473 is about 3541.8177536401. The cubic root of 12544473 is about 232.3543497519.

Adding to 12544473 its reverse (37444521), we get a palindrome (49988994).

The spelling of 12544473 in words is "twelve million, five hundred forty-four thousand, four hundred seventy-three".