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12672311 = 79160409
BaseRepresentation
bin110000010101…
…110100110111
3212211211010212
4300111310313
511221003221
61131340035
7212466341
oct60256467
925754125
1012672311
117175993
1242b161b
132819012
14197c291
1511a4b5b
hexc15d37

12672311 has 4 divisors (see below), whose sum is σ = 12832800. Its totient is φ = 12511824.

The previous prime is 12672299. The next prime is 12672343. The reversal of 12672311 is 11327621.

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

It is a cyclic number.

It is not a de Polignac number, because 12672311 - 210 = 12671287 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 (12612311) 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, 80126 + ... + 80283.

It is an arithmetic number, because the mean of its divisors is an integer number (3208200).

Almost surely, 212672311 is an apocalyptic number.

12672311 is a deficient number, since it is larger than the sum of its proper divisors (160489).

12672311 is an equidigital number, since it uses as much as digits as its factorization.

12672311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160488.

The product of its digits is 504, while the sum is 23.

The square root of 12672311 is about 3559.8189560707. The cubic root of 12672311 is about 233.1409745706.

Adding to 12672311 its reverse (11327621), we get a palindrome (23999932).

The spelling of 12672311 in words is "twelve million, six hundred seventy-two thousand, three hundred eleven".

Divisors: 1 79 160409 12672311