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12678627 = 313325093
BaseRepresentation
bin110000010111…
…010111100011
3212212010210210
4300113113203
511221204002
61131425203
7212523633
oct60272743
925763723
1012678627
11717a705
1242b5203
13281bb60
1419806c3
1511a696c
hexc175e3

12678627 has 8 divisors (see below), whose sum is σ = 18205264. Its totient is φ = 7802208.

The previous prime is 12678623. The next prime is 12678637. The reversal of 12678627 is 72687621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12678627 - 22 = 12678623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 325093 = 12678627 / (1 + 2 + 6 + 7 + 8 + 6 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12678623) 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 7 ways as a sum of consecutive naturals, for example, 162508 + ... + 162585.

It is an arithmetic number, because the mean of its divisors is an integer number (2275658).

Almost surely, 212678627 is an apocalyptic number.

12678627 is a deficient number, since it is larger than the sum of its proper divisors (5526637).

12678627 is a wasteful number, since it uses less digits than its factorization.

12678627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325109.

The product of its digits is 56448, while the sum is 39.

The square root of 12678627 is about 3560.7059693269. The cubic root of 12678627 is about 233.1797013617.

The spelling of 12678627 in words is "twelve million, six hundred seventy-eight thousand, six hundred twenty-seven".

Divisors: 1 3 13 39 325093 975279 4226209 12678627