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12007253 = 17706309
BaseRepresentation
bin101101110011…
…011101010101
3211121000212002
4231303131111
511033213003
61105205045
7204026366
oct55633525
924530762
1012007253
116861255
124030785
1326453ab
141847b6d
1510c2a88
hexb73755

12007253 has 4 divisors (see below), whose sum is σ = 12713580. Its totient is φ = 11300928.

The previous prime is 12007223. The next prime is 12007291. The reversal of 12007253 is 35270021.

12007253 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.

It can be written as a sum of positive squares in 2 ways, for example, as 9690769 + 2316484 = 3113^2 + 1522^2 .

It is a cyclic number.

It is not a de Polignac number, because 12007253 - 210 = 12006229 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 (12007223) 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, 353138 + ... + 353171.

It is an arithmetic number, because the mean of its divisors is an integer number (3178395).

Almost surely, 212007253 is an apocalyptic number.

It is an amenable number.

12007253 is a deficient number, since it is larger than the sum of its proper divisors (706327).

12007253 is an equidigital number, since it uses as much as digits as its factorization.

12007253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706326.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 12007253 is about 3465.1483373732. The cubic root of 12007253 is about 228.9889648452.

Adding to 12007253 its reverse (35270021), we get a palindrome (47277274).

The spelling of 12007253 in words is "twelve million, seven thousand, two hundred fifty-three".

Divisors: 1 17 706309 12007253