14821668 has 36 divisors (see below), whose sum is σ = 38760540. Its totient is φ = 4769856.

The previous prime is 14821663. The next prime is 14821669. The reversal of 14821668 is 86612841.

It can be written as a sum of positive squares in 2 ways, for example, as 12236004 + 2585664 = 3498^2 + 1608^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (14821661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6055 + ... + 8142.

Almost surely, 2^14821668 is an apocalyptic number.

14821668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14821668 is an abundant number, since it is smaller than the sum of its proper divisors (23938872).

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

14821668 is a wasteful number, since it uses less digits than its factorization.

14821668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14236 (or 14231 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 14821668 is about 3849.8919465356. The cubic root of 14821668 is about 245.6399650964.

It can be divided in two parts, 1482 and 1668, that multiplied together give a triangular number (2471976 = T₂₂₂₃).

The spelling of 14821668 in words is "fourteen million, eight hundred twenty-one thousand, six hundred sixty-eight".