Search a number
-
+
12743926 = 213490151
BaseRepresentation
bin110000100111…
…010011110110
3212222110101021
4300213103312
511230301201
61133051354
7213215206
oct60472366
925873337
1012743926
117214778
124326b5a
1328427b0
14199a406
1511baea1
hexc274f6

12743926 has 8 divisors (see below), whose sum is σ = 20586384. Its totient is φ = 5881800.

The previous prime is 12743923. The next prime is 12743933. The reversal of 12743926 is 62934721.

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

It is a junction number, because it is equal to n+sod(n) for n = 12743891 and 12743900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743923) 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, 245050 + ... + 245101.

It is an arithmetic number, because the mean of its divisors is an integer number (2573298).

Almost surely, 212743926 is an apocalyptic number.

12743926 is a deficient number, since it is larger than the sum of its proper divisors (7842458).

12743926 is a wasteful number, since it uses less digits than its factorization.

12743926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490166.

The product of its digits is 18144, while the sum is 34.

The square root of 12743926 is about 3569.8635828278. The cubic root of 12743926 is about 233.5793328458.

The spelling of 12743926 in words is "twelve million, seven hundred forty-three thousand, nine hundred twenty-six".

Divisors: 1 2 13 26 490151 980302 6371963 12743926