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12153 = 34051
BaseRepresentation
bin10111101111001
3121200010
42331321
5342103
6132133
750301
oct27571
917603
1012153
119149
127049
1356bb
144601
153903
hex2f79

12153 has 4 divisors (see below), whose sum is σ = 16208. Its totient is φ = 8100.

The previous prime is 12149. The next prime is 12157. The reversal of 12153 is 35121.

Adding to 12153 its reverse (35121), we get a palindrome (47274).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12149) and next prime (12157).

It is not a de Polignac number, because 12153 - 22 = 12149 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12153.

It is not an unprimeable number, because it can be changed into a prime (12157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (4052).

212153 is an apocalyptic number.

It is an amenable number.

12153 is a deficient number, since it is larger than the sum of its proper divisors (4055).

12153 is an equidigital number, since it uses as much as digits as its factorization.

12153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054.

The product of its digits is 30, while the sum is 12.

The square root of 12153 is about 110.2406458617. The cubic root of 12153 is about 22.9911749382.

The spelling of 12153 in words is "twelve thousand, one hundred fifty-three".

Divisors: 1 3 4051 12153