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12622 = 26311
BaseRepresentation
bin11000101001110
3122022111
43011032
5400442
6134234
751541
oct30516
918274
1012622
119535
12737a
13598c
144858
153b17
hex314e

12622 has 4 divisors (see below), whose sum is σ = 18936. Its totient is φ = 6310.

The previous prime is 12619. The next prime is 12637. The reversal of 12622 is 22621.

It is a happy number.

12622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

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, 3154 + ... + 3157.

It is an arithmetic number, because the mean of its divisors is an integer number (4734).

212622 is an apocalyptic number.

12622 is a deficient number, since it is larger than the sum of its proper divisors (6314).

12622 is an equidigital number, since it uses as much as digits as its factorization.

12622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313.

The product of its digits is 48, while the sum is 13.

The square root of 12622 is about 112.3476746533. The cubic root of 12622 is about 23.2832030327.

Subtracting 12622 from its reverse (22621), we obtain a palindrome (9999).

It can be divided in two parts, 126 and 22, that multiplied together give a palindrome (2772).

The spelling of 12622 in words is "twelve thousand, six hundred twenty-two".

Divisors: 1 2 6311 12622