Search a number
-
+
12325161 = 34108387
BaseRepresentation
bin101111000001…
…000100101001
3212012011221110
4233001010221
511123401121
61120100533
7206522262
oct57010451
925164843
1012325161
116a59092
124164749
132726cc4
1418cb969
151136d76
hexbc1129

12325161 has 4 divisors (see below), whose sum is σ = 16433552. Its totient is φ = 8216772.

The previous prime is 12325151. The next prime is 12325163. The reversal of 12325161 is 16152321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16152321 = 35384107.

It is not a de Polignac number, because 12325161 - 215 = 12292393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12325163) 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, 2054191 + ... + 2054196.

It is an arithmetic number, because the mean of its divisors is an integer number (4108388).

Almost surely, 212325161 is an apocalyptic number.

It is an amenable number.

12325161 is a deficient number, since it is larger than the sum of its proper divisors (4108391).

12325161 is an equidigital number, since it uses as much as digits as its factorization.

12325161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108390.

The product of its digits is 360, while the sum is 21.

The square root of 12325161 is about 3510.7208661470. The cubic root of 12325161 is about 230.9923162302.

Adding to 12325161 its reverse (16152321), we get a palindrome (28477482).

The spelling of 12325161 in words is "twelve million, three hundred twenty-five thousand, one hundred sixty-one".

Divisors: 1 3 4108387 12325161