12432573 has 6 divisors (see below), whose sum is σ = 17958174. Its totient is φ = 8288376.

The previous prime is 12432571. The next prime is 12432583. The reversal of 12432573 is 37523421.

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 1954404 = 3237^2 + 1398^2 .

It is not a de Polignac number, because 12432573 - 2¹ = 12432571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690690 + ... + 690707.

It is an arithmetic number, because the mean of its divisors is an integer number (2993029).

Almost surely, 2^12432573 is an apocalyptic number.

It is an amenable number.

12432573 is a deficient number, since it is larger than the sum of its proper divisors (5525601).

12432573 is a wasteful number, since it uses less digits than its factorization.

12432573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381403 (or 1381400 counting only the distinct ones).

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

The square root of 12432573 is about 3525.9853941842. The cubic root of 12432573 is about 231.6613978984.

Adding to 12432573 its reverse (37523421), we get a palindrome (49955994).

The spelling of 12432573 in words is "twelve million, four hundred thirty-two thousand, five hundred seventy-three".