12508142 has 8 divisors (see below), whose sum is σ = 18905832. Its totient is φ = 6206200.

The previous prime is 12508123. The next prime is 12508147. The reversal of 12508142 is 24180521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23609 + ... + 24132.

It is an arithmetic number, because the mean of its divisors is an integer number (2363229).

Almost surely, 2^12508142 is an apocalyptic number.

12508142 is a deficient number, since it is larger than the sum of its proper divisors (6397690).

12508142 is a wasteful number, since it uses less digits than its factorization.

12508142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47874.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12508142 is about 3536.6851711737. The cubic root of 12508142 is about 232.1298198325.

Adding to 12508142 its reverse (24180521), we get a palindrome (36688663).

The spelling of 12508142 in words is "twelve million, five hundred eight thousand, one hundred forty-two".