Search a number
-
+
12810734 = 26405367
BaseRepresentation
bin110000110111…
…100111101110
3220002212000122
4300313213232
511234420414
61134324542
7213614036
oct60674756
926085018
1012810734
11725a992
124359752
132867021
1419b68c6
1511d0b8e
hexc379ee

12810734 has 4 divisors (see below), whose sum is σ = 19216104. Its totient is φ = 6405366.

The previous prime is 12810727. The next prime is 12810757. The reversal of 12810734 is 43701821.

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

It is a super-2 number, since 2×128107342 = 328229811237512, which contains 22 as substring.

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, 3202682 + ... + 3202685.

It is an arithmetic number, because the mean of its divisors is an integer number (4804026).

Almost surely, 212810734 is an apocalyptic number.

12810734 is a deficient number, since it is larger than the sum of its proper divisors (6405370).

12810734 is an equidigital number, since it uses as much as digits as its factorization.

12810734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405369.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12810734 is about 3579.2085717376. The cubic root of 12810734 is about 233.9867891341.

The spelling of 12810734 in words is "twelve million, eight hundred ten thousand, seven hundred thirty-four".

Divisors: 1 2 6405367 12810734