12862142 has 8 divisors (see below), whose sum is σ = 19308432. Its totient is φ = 6426000.

The previous prime is 12862133. The next prime is 12862153. The reversal of 12862142 is 24126821.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3767 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (2413554).

Almost surely, 2^12862142 is an apocalyptic number.

12862142 is a deficient number, since it is larger than the sum of its proper divisors (6446290).

12862142 is a wasteful number, since it uses less digits than its factorization.

12862142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074.

The product of its digits is 1536, while the sum is 26.

The square root of 12862142 is about 3586.3828574206. The cubic root of 12862142 is about 234.2993587490.

Adding to 12862142 its reverse (24126821), we get a palindrome (36988963).

The spelling of 12862142 in words is "twelve million, eight hundred sixty-two thousand, one hundred forty-two".