14213660 has 12 divisors (see below), whose sum is σ = 29848728. Its totient is φ = 5685456.

The previous prime is 14213659. The next prime is 14213663. The reversal of 14213660 is 6631241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14213663) by changing a digit.

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, 355322 + ... + 355361.

It is an arithmetic number, because the mean of its divisors is an integer number (2487394).

Almost surely, 2^14213660 is an apocalyptic number.

14213660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14213660 is an abundant number, since it is smaller than the sum of its proper divisors (15635068).

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

14213660 is a wasteful number, since it uses less digits than its factorization.

14213660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710692 (or 710690 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 14213660 is about 3770.1007944086. The cubic root of 14213660 is about 242.2341153559.

The spelling of 14213660 in words is "fourteen million, two hundred thirteen thousand, six hundred sixty".