12500042 has 8 divisors (see below), whose sum is σ = 18834816. Its totient is φ = 6221772.

The previous prime is 12500029. The next prime is 12500069. The reversal of 12500042 is 24000521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13568 + ... + 14459.

It is an arithmetic number, because the mean of its divisors is an integer number (2354352).

Almost surely, 2^12500042 is an apocalyptic number.

12500042 is a deficient number, since it is larger than the sum of its proper divisors (6334774).

12500042 is a wasteful number, since it uses less digits than its factorization.

12500042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28252.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12500042 is about 3535.5398456247. The cubic root of 12500042 is about 232.0797016093.

Adding to 12500042 its reverse (24000521), we get a palindrome (36500563).

The spelling of 12500042 in words is "twelve million, five hundred thousand, forty-two".