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14642 = 27321

14642 has 4 divisors (see below), whose sum is σ = 21966. Its totient is φ = 7320.

The previous prime is 14639. The next prime is 14653. The reversal of 14642 is 24641.

Subtracting 14642 from its reverse (24641), we obtain a palindrome (9999).

It can be divided in two parts, 14 and 642, that added together give a palindrome (656).

14642 is nontrivially palindromic in base 11.

14642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 114+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24641 = 41601.

It can be written as a sum of positive squares in only one way, i.e., 14641 + 1 = 121^2 + 1^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 14642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3659 + ... + 3662.

214642 is an apocalyptic number.

14642 is a deficient number, since it is larger than the sum of its proper divisors (7324).

14642 is an equidigital number, since it uses as much as digits as its factorization.

14642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323.

The product of its digits is 192, while the sum is 17.

The square root of 14642 is about 121.0041321608. The cubic root of 14642 is about 24.4643379533.

The spelling of 14642 in words is "fourteen thousand, six hundred forty-two".

Divisors: 1 2 7321 14642