Search a number
-
+
12108297 = 34036099
BaseRepresentation
bin101110001100…
…001000001001
3211210011110110
4232030020021
511044431142
61111304533
7204630105
oct56141011
924704413
1012108297
116920163
12407b149
13267c396
141872905
1510e299c
hexb8c209

12108297 has 4 divisors (see below), whose sum is σ = 16144400. Its totient is φ = 8072196.

The previous prime is 12108277. The next prime is 12108319. The reversal of 12108297 is 79280121.

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: 79280121 = 326426707.

It is not a de Polignac number, because 12108297 - 27 = 12108169 is a prime.

It is a super-2 number, since 2×121082972 = 293221712480418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12108247) 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, 2018047 + ... + 2018052.

It is an arithmetic number, because the mean of its divisors is an integer number (4036100).

Almost surely, 212108297 is an apocalyptic number.

It is an amenable number.

12108297 is a deficient number, since it is larger than the sum of its proper divisors (4036103).

12108297 is an equidigital number, since it uses as much as digits as its factorization.

12108297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036102.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12108297 is about 3479.6978317090. The cubic root of 12108297 is about 229.6295043264.

The spelling of 12108297 in words is "twelve million, one hundred eight thousand, two hundred ninety-seven".

Divisors: 1 3 4036099 12108297