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14436 = 2232401

14436 has 18 divisors (see below), whose sum is σ = 36582. Its totient is φ = 4800.

The previous prime is 14431. The next prime is 14437. The reversal of 14436 is 63441.

It can be written as a sum of positive squares in only one way, i.e., 14400 + 36 = 120^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (14431) by changing a digit.

14436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165 + ... + 236.

214436 is an apocalyptic number.

It is an amenable number.

14436 is an abundant number, since it is smaller than the sum of its proper divisors (22146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14436 is a wasteful number, since it uses less digits than its factorization.

14436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 406 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 14436 is about 120.1499063670. The cubic root of 14436 is about 24.3490651174.

Adding to 14436 its reverse (63441), we get a palindrome (77877).

It can be divided in two parts, 144 and 36, that multiplied together give a square (5184 = 722).

The spelling of 14436 in words is "fourteen thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 401 802 1203 1604 2406 3609 4812 7218 14436