Search a number
-
+
12312794 = 2131789313
BaseRepresentation
bin101110111110…
…000011011010
3212011112222102
4232332003122
511123002134
61115523402
7206441234
oct56760332
925145872
1012312794
116a4a86a
124159562
1327214a0
1418c7254
15113337e
hexbbe0da

12312794 has 32 divisors (see below), whose sum is σ = 21364560. Its totient is φ = 5271552.

The previous prime is 12312787. The next prime is 12312799. The reversal of 12312794 is 49721321.

It can be written as a sum of positive squares in 8 ways, for example, as 582169 + 11730625 = 763^2 + 3425^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12312799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39182 + ... + 39494.

Almost surely, 212312794 is an apocalyptic number.

12312794 is a deficient number, since it is larger than the sum of its proper divisors (9051766).

12312794 is a wasteful number, since it uses less digits than its factorization.

12312794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434.

The product of its digits is 3024, while the sum is 29.

The square root of 12312794 is about 3508.9591049199. The cubic root of 12312794 is about 230.9150315612.

The spelling of 12312794 in words is "twelve million, three hundred twelve thousand, seven hundred ninety-four".

Divisors: 1 2 13 17 26 34 89 178 221 313 442 626 1157 1513 2314 3026 4069 5321 8138 10642 19669 27857 39338 55714 69173 138346 362141 473569 724282 947138 6156397 12312794