Search a number
-
+
12995227 = 78322367
BaseRepresentation
bin110001100100…
…101010011011
3220110020002201
4301210222123
511311321402
61142311031
7215312650
oct61445233
926406081
1012995227
117376563
124428477
1328cccab
141a23c27
15121a687
hexc64a9b

12995227 has 8 divisors (see below), whose sum is σ = 15031296. Its totient is φ = 11004072.

The previous prime is 12995197. The next prime is 12995233. The reversal of 12995227 is 72259921.

12995227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12995227 - 223 = 4606619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12995267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10603 + ... + 11764.

It is an arithmetic number, because the mean of its divisors is an integer number (1878912).

Almost surely, 212995227 is an apocalyptic number.

12995227 is a deficient number, since it is larger than the sum of its proper divisors (2036069).

12995227 is an equidigital number, since it uses as much as digits as its factorization.

12995227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22457.

The product of its digits is 22680, while the sum is 37.

The square root of 12995227 is about 3604.8893186893. The cubic root of 12995227 is about 235.1046885304.

The spelling of 12995227 in words is "twelve million, nine hundred ninety-five thousand, two hundred twenty-seven".

Divisors: 1 7 83 581 22367 156569 1856461 12995227