12144502 has 16 divisors (see below), whose sum is σ = 18547200. Its totient is φ = 5963328.

The previous prime is 12144493. The next prime is 12144521. The reversal of 12144502 is 20544121.

It is a self number, because there is not a number n which added to its sum of digits gives 12144502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34624 + ... + 34972.

It is an arithmetic number, because the mean of its divisors is an integer number (1159200).

Almost surely, 2^12144502 is an apocalyptic number.

12144502 is a deficient number, since it is larger than the sum of its proper divisors (6402698).

12144502 is a wasteful number, since it uses less digits than its factorization.

12144502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12144502 is about 3484.8962681836. The cubic root of 12144502 is about 229.8581481961.

Adding to 12144502 its reverse (20544121), we get a palindrome (32688623).

The spelling of 12144502 in words is "twelve million, one hundred forty-four thousand, five hundred two".