12849142 has 8 divisors (see below), whose sum is σ = 19683936. Its totient is φ = 6287832.

The previous prime is 12849139. The next prime is 12849163. The reversal of 12849142 is 24194821.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68253 + ... + 68440.

It is an arithmetic number, because the mean of its divisors is an integer number (2460492).

Almost surely, 2^12849142 is an apocalyptic number.

12849142 is a deficient number, since it is larger than the sum of its proper divisors (6834794).

12849142 is a wasteful number, since it uses less digits than its factorization.

12849142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136742.

The product of its digits is 4608, while the sum is 31.

The square root of 12849142 is about 3584.5699881576. The cubic root of 12849142 is about 234.2203952705.

The spelling of 12849142 in words is "twelve million, eight hundred forty-nine thousand, one hundred forty-two".