14211913 has 4 divisors (see below), whose sum is σ = 14237460. Its totient is φ = 14186368.

The previous prime is 14211877. The next prime is 14211917. The reversal of 14211913 is 31911241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31911241 = 19 ⋅1679539.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 13155129 = 1028^2 + 3627^2 .

It is a cyclic number.

It is not a de Polignac number, because 14211913 - 2¹⁷ = 14080841 is a prime.

It is a super-2 number, since 2×14211913² = 403956942239138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14211917) 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 3 ways as a sum of consecutive naturals, for example, 11920 + ... + 13057.

It is an arithmetic number, because the mean of its divisors is an integer number (3559365).

Almost surely, 2^14211913 is an apocalyptic number.

It is an amenable number.

14211913 is a deficient number, since it is larger than the sum of its proper divisors (25547).

14211913 is an equidigital number, since it uses as much as digits as its factorization.

14211913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25546.

The product of its digits is 216, while the sum is 22.

The square root of 14211913 is about 3769.8690958706. The cubic root of 14211913 is about 242.2241906230.

The spelling of 14211913 in words is "fourteen million, two hundred eleven thousand, nine hundred thirteen".