12432502 has 4 divisors (see below), whose sum is σ = 18648756. Its totient is φ = 6216250.

The previous prime is 12432493. The next prime is 12432509. The reversal of 12432502 is 20523421.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12432502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108124 + ... + 3108127.

It is an arithmetic number, because the mean of its divisors is an integer number (4662189).

Almost surely, 2^12432502 is an apocalyptic number.

12432502 is a deficient number, since it is larger than the sum of its proper divisors (6216254).

12432502 is an equidigital number, since it uses as much as digits as its factorization.

12432502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216253.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12432502 is about 3525.9753260623. The cubic root of 12432502 is about 231.6609569066.

Adding to 12432502 its reverse (20523421), we get a palindrome (32955923).

The spelling of 12432502 in words is "twelve million, four hundred thirty-two thousand, five hundred two".