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12672838 = 26336419
BaseRepresentation
bin110000010101…
…111101000110
3212211211212101
4300111331012
511221012323
61131342314
7212501023
oct60257506
925754771
1012672838
117176322
1242b199a
132819329
14197c54a
1511a4dad
hexc15f46

12672838 has 4 divisors (see below), whose sum is σ = 19009260. Its totient is φ = 6336418.

The previous prime is 12672823. The next prime is 12672851. The reversal of 12672838 is 83827621.

12672838 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 83827621 = 238935089.

It is a junction number, because it is equal to n+sod(n) for n = 12672797 and 12672806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3168208 + ... + 3168211.

It is an arithmetic number, because the mean of its divisors is an integer number (4752315).

Almost surely, 212672838 is an apocalyptic number.

12672838 is a deficient number, since it is larger than the sum of its proper divisors (6336422).

12672838 is an equidigital number, since it uses as much as digits as its factorization.

12672838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336421.

The product of its digits is 32256, while the sum is 37.

The square root of 12672838 is about 3559.8929759194. The cubic root of 12672838 is about 233.1442063829.

It can be divided in two parts, 12672 and 838, that multiplied together give a triangular number (10619136 = T4608).

The spelling of 12672838 in words is "twelve million, six hundred seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 6336419 12672838