12502142 has 4 divisors (see below), whose sum is σ = 18753216. Its totient is φ = 6251070.

The previous prime is 12502129. The next prime is 12502151. The reversal of 12502142 is 24120521.

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 12502142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125534 + ... + 3125537.

It is an arithmetic number, because the mean of its divisors is an integer number (4688304).

Almost surely, 2^12502142 is an apocalyptic number.

12502142 is a deficient number, since it is larger than the sum of its proper divisors (6251074).

12502142 is an equidigital number, since it uses as much as digits as its factorization.

12502142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251073.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12502142 is about 3535.8368175016. The cubic root of 12502142 is about 232.0926973012.

Adding to 12502142 its reverse (24120521), we get a palindrome (36622663).

The spelling of 12502142 in words is "twelve million, five hundred two thousand, one hundred forty-two".