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12137327 = 47258241
BaseRepresentation
bin101110010011…
…001101101111
3211211122021122
4232103031233
511101343302
61112051155
7205110536
oct56231557
924748248
1012137327
11693aa54
124093abb
13268c667
14187d31d
1510eb3a2
hexb9336f

12137327 has 4 divisors (see below), whose sum is σ = 12395616. Its totient is φ = 11879040.

The previous prime is 12137299. The next prime is 12137347. The reversal of 12137327 is 72373121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72373121 = 311232711.

It is a cyclic number.

It is not a de Polignac number, because 12137327 - 210 = 12136303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12137296 and 12137305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12137347) 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, 129074 + ... + 129167.

It is an arithmetic number, because the mean of its divisors is an integer number (3098904).

Almost surely, 212137327 is an apocalyptic number.

12137327 is a deficient number, since it is larger than the sum of its proper divisors (258289).

12137327 is an equidigital number, since it uses as much as digits as its factorization.

12137327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258288.

The product of its digits is 1764, while the sum is 26.

The square root of 12137327 is about 3483.8666736831. The cubic root of 12137327 is about 229.8128723692.

The spelling of 12137327 in words is "twelve million, one hundred thirty-seven thousand, three hundred twenty-seven".

Divisors: 1 47 258241 12137327