14142986 has 16 divisors (see below), whose sum is σ = 24923808. Its totient is φ = 5934000.

The previous prime is 14142979. The next prime is 14143007. The reversal of 14142986 is 68924141.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 24440 + ... + 25011.

It is an arithmetic number, because the mean of its divisors is an integer number (1557738).

Almost surely, 2^14142986 is an apocalyptic number.

14142986 is a deficient number, since it is larger than the sum of its proper divisors (10780822).

14142986 is a wasteful number, since it uses less digits than its factorization.

14142986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49477.

The product of its digits is 13824, while the sum is 35.

The square root of 14142986 is about 3760.7161552024. The cubic root of 14142986 is about 241.8319644916.

The spelling of 14142986 in words is "fourteen million, one hundred forty-two thousand, nine hundred eighty-six".