14263986 has 32 divisors (see below), whose sum is σ = 32954688. Its totient is φ = 4067840.

The previous prime is 14263961. The next prime is 14263993. The reversal of 14263986 is 68936241.

It is a super-2 number, since 2×14263986² = 406922593216392, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 5235 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (1029834).

Almost surely, 2^14263986 is an apocalyptic number.

14263986 is an abundant number, since it is smaller than the sum of its proper divisors (18690702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14263986 is a wasteful number, since it uses less digits than its factorization.

14263986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746.

The product of its digits is 62208, while the sum is 39.

The square root of 14263986 is about 3776.7692542701. The cubic root of 14263986 is about 242.5196696413.

The spelling of 14263986 in words is "fourteen million, two hundred sixty-three thousand, nine hundred eighty-six".