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12264149 = 67183047
BaseRepresentation
bin101110110010…
…001011010101
3212002002020202
4232302023111
511114423044
61114510245
7206146352
oct56621325
925062222
1012264149
116a17267
124135385
1327052c1
1418b3629
151123c4e
hexbb22d5

12264149 has 4 divisors (see below), whose sum is σ = 12447264. Its totient is φ = 12081036.

The previous prime is 12264137. The next prime is 12264167. The reversal of 12264149 is 94146221.

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 a cyclic number.

It is not a de Polignac number, because 12264149 - 28 = 12263893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12264169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91457 + ... + 91590.

It is an arithmetic number, because the mean of its divisors is an integer number (3111816).

Almost surely, 212264149 is an apocalyptic number.

It is an amenable number.

12264149 is a deficient number, since it is larger than the sum of its proper divisors (183115).

12264149 is an equidigital number, since it uses as much as digits as its factorization.

12264149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183114.

The product of its digits is 3456, while the sum is 29.

The square root of 12264149 is about 3502.0207023945. The cubic root of 12264149 is about 230.6105329213.

The spelling of 12264149 in words is "twelve million, two hundred sixty-four thousand, one hundred forty-nine".

Divisors: 1 67 183047 12264149