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12745263 = 34248421
BaseRepresentation
bin110000100111…
…101000101111
3212222112012210
4300213220233
511230322023
61133101503
7213222126
oct60475057
925875183
1012745263
117215783
124327893
13284329b
14199aabd
1511bb593
hexc27a2f

12745263 has 4 divisors (see below), whose sum is σ = 16993688. Its totient is φ = 8496840.

The previous prime is 12745259. The next prime is 12745283. The reversal of 12745263 is 36254721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12745263 - 22 = 12745259 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 12745263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745283) 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, 2124208 + ... + 2124213.

It is an arithmetic number, because the mean of its divisors is an integer number (4248422).

Almost surely, 212745263 is an apocalyptic number.

12745263 is a deficient number, since it is larger than the sum of its proper divisors (4248425).

12745263 is an equidigital number, since it uses as much as digits as its factorization.

12745263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248424.

The product of its digits is 10080, while the sum is 30.

The square root of 12745263 is about 3570.0508399741. The cubic root of 12745263 is about 233.5875010416.

Adding to 12745263 its reverse (36254721), we get a palindrome (48999984).

The spelling of 12745263 in words is "twelve million, seven hundred forty-five thousand, two hundred sixty-three".

Divisors: 1 3 4248421 12745263