14921668 has 12 divisors (see below), whose sum is σ = 26142480. Its totient is φ = 7452392.

The previous prime is 14921653. The next prime is 14921671. The reversal of 14921668 is 86612941.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (2178540).

Almost surely, 2^14921668 is an apocalyptic number.

It is an amenable number.

14921668 is a deficient number, since it is larger than the sum of its proper divisors (11220812).

14921668 is a wasteful number, since it uses less digits than its factorization.

14921668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226 (or 4224 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 14921668 is about 3862.8574915469. The cubic root of 14921668 is about 246.1911617007.

It can be divided in two parts, 1492 and 1668, that added together give a triangular number (3160 = T₇₉).

The spelling of 14921668 in words is "fourteen million, nine hundred twenty-one thousand, six hundred sixty-eight".