12423502 has 16 divisors (see below), whose sum is σ = 22936032. Its totient is φ = 4914720.

The previous prime is 12423491. The next prime is 12423539. The reversal of 12423502 is 20532421.

It is a self number, because there is not a number n which added to its sum of digits gives 12423502.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33949 + ... + 34312.

It is an arithmetic number, because the mean of its divisors is an integer number (1433502).

Almost surely, 2^12423502 is an apocalyptic number.

12423502 is a deficient number, since it is larger than the sum of its proper divisors (10512530).

12423502 is a wasteful number, since it uses less digits than its factorization.

12423502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68283.

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

The square root of 12423502 is about 3524.6988523844. The cubic root of 12423502 is about 231.6050429289.

Adding to 12423502 its reverse (20532421), we get a palindrome (32955923).

The spelling of 12423502 in words is "twelve million, four hundred twenty-three thousand, five hundred two".