14966681 has 16 divisors (see below), whose sum is σ = 16465680. Its totient is φ = 13547520.

The previous prime is 14966671. The next prime is 14966687. The reversal of 14966681 is 18666941.

It can be written as a sum of positive squares in 8 ways, for example, as 1210000 + 13756681 = 1100^2 + 3709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14966681 is a prime.

It is a super-2 number, since 2×14966681² = 448003080311522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14966687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75875 + ... + 76071.

It is an arithmetic number, because the mean of its divisors is an integer number (1029105).

Almost surely, 2^14966681 is an apocalyptic number.

It is an amenable number.

14966681 is a deficient number, since it is larger than the sum of its proper divisors (1498999).

14966681 is a wasteful number, since it uses less digits than its factorization.

14966681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 62208, while the sum is 41.

The square root of 14966681 is about 3868.6794904722. The cubic root of 14966681 is about 246.4384682396.

The spelling of 14966681 in words is "fourteen million, nine hundred sixty-six thousand, six hundred eighty-one".