14211965 has 16 divisors (see below), whose sum is σ = 17463600. Its totient is φ = 11100672.

The previous prime is 14211947. The next prime is 14211971. The reversal of 14211965 is 56911241.

It can be written as a sum of positive squares in 8 ways, for example, as 276676 + 13935289 = 526^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 14211965 - 2¹⁴ = 14195581 is a prime.

It is a super-2 number, since 2×14211965² = 403959898322450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48359 + ... + 48651.

It is an arithmetic number, because the mean of its divisors is an integer number (1091475).

Almost surely, 2^14211965 is an apocalyptic number.

It is an amenable number.

14211965 is a deficient number, since it is larger than the sum of its proper divisors (3251635).

14211965 is a wasteful number, since it uses less digits than its factorization.

14211965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its digits is 2160, while the sum is 29.

The square root of 14211965 is about 3769.8759926555. The cubic root of 14211965 is about 242.2244860475.

The spelling of 14211965 in words is "fourteen million, two hundred eleven thousand, nine hundred sixty-five".