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12070237 = 22035479
BaseRepresentation
bin101110000010…
…110101011101
3211201020020211
4232002311131
511042221422
61110412421
7204411124
oct56026535
924636224
1012070237
1168a4603
124061111
132667c6a
141862abb
1510d6577
hexb82d5d

12070237 has 4 divisors (see below), whose sum is σ = 12077920. Its totient is φ = 12062556.

The previous prime is 12070231. The next prime is 12070241. The reversal of 12070237 is 73207021.

12070237 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12070237 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 (12070231) 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, 537 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (3019480).

Almost surely, 212070237 is an apocalyptic number.

It is an amenable number.

12070237 is a deficient number, since it is larger than the sum of its proper divisors (7683).

12070237 is an equidigital number, since it uses as much as digits as its factorization.

12070237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7682.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 12070237 is about 3474.2246617051. The cubic root of 12070237 is about 229.3886537173.

Adding to 12070237 its reverse (73207021), we get a palindrome (85277258).

The spelling of 12070237 in words is "twelve million, seventy thousand, two hundred thirty-seven".

Divisors: 1 2203 5479 12070237