14021667 has 20 divisors (see below), whose sum is σ = 22851576. Its totient is φ = 8497440.

The previous prime is 14021653. The next prime is 14021671. The reversal of 14021667 is 76612041.

It is not a de Polignac number, because 14021667 - 2⁶ = 14021603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 14021667.

It is not an unprimeable number, because it can be changed into a prime (14021647) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 6978 + ... + 8759.

Almost surely, 2^14021667 is an apocalyptic number.

14021667 is a deficient number, since it is larger than the sum of its proper divisors (8829909).

14021667 is a wasteful number, since it uses less digits than its factorization.

14021667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15760 (or 15751 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 14021667 is about 3744.5516420528. The cubic root of 14021667 is about 241.1384969794.

The spelling of 14021667 in words is "fourteen million, twenty-one thousand, six hundred sixty-seven".