12523473 has 12 divisors (see below), whose sum is σ = 18673408. Its totient is φ = 8079480.

The previous prime is 12523471. The next prime is 12523481. The reversal of 12523473 is 37432521.

It is not a de Polignac number, because 12523473 - 2¹ = 12523471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12523471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22165 + ... + 22722.

Almost surely, 2^12523473 is an apocalyptic number.

It is an amenable number.

12523473 is a deficient number, since it is larger than the sum of its proper divisors (6149935).

12523473 is a wasteful number, since it uses less digits than its factorization.

12523473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44924 (or 44921 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 12523473 is about 3538.8519324775. The cubic root of 12523473 is about 232.2246201974.

Adding to 12523473 its reverse (37432521), we get a palindrome (49955994).

It can be divided in two parts, 12523 and 473, that added together give a square (12996 = 114²).

The spelling of 12523473 in words is "twelve million, five hundred twenty-three thousand, four hundred seventy-three".