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12268855 = 52453771
BaseRepresentation
bin101110110011…
…010100110111
3212002022201001
4232303110313
511120100410
61114544131
7206166154
oct56632467
925068631
1012268855
116a1a855
124138047
1327074a1
1418b522b
15112533a
hexbb3537

12268855 has 4 divisors (see below), whose sum is σ = 14722632. Its totient is φ = 9815080.

The previous prime is 12268853. The next prime is 12268877. The reversal of 12268855 is 55886221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55886221 = 531054457.

It is not a de Polignac number, because 12268855 - 21 = 12268853 is a prime.

It is a super-2 number, since 2×122688552 = 301049606022050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268853) 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, 1226881 + ... + 1226890.

It is an arithmetic number, because the mean of its divisors is an integer number (3680658).

Almost surely, 212268855 is an apocalyptic number.

12268855 is a deficient number, since it is larger than the sum of its proper divisors (2453777).

12268855 is an equidigital number, since it uses as much as digits as its factorization.

12268855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453776.

The product of its digits is 38400, while the sum is 37.

The square root of 12268855 is about 3502.6925357502. The cubic root of 12268855 is about 230.6400257786.

The spelling of 12268855 in words is "twelve million, two hundred sixty-eight thousand, eight hundred fifty-five".

Divisors: 1 5 2453771 12268855