Search a number
-
+
12682993 = 123110303
BaseRepresentation
bin110000011000…
…011011110001
3212212100210111
4300120123301
511221323433
61131501321
7212542441
oct60303361
925770714
1012682993
117182a14
1242b7841
132820b3b
141982121
1511a7dcd
hexc186f1

12682993 has 4 divisors (see below), whose sum is σ = 12694528. Its totient is φ = 12671460.

The previous prime is 12682991. The next prime is 12683023. The reversal of 12682993 is 39928621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12682993 - 21 = 12682991 is a prime.

It is a super-2 number, since 2×126829932 = 321716622876098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12682991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3921 + ... + 6382.

It is an arithmetic number, because the mean of its divisors is an integer number (3173632).

Almost surely, 212682993 is an apocalyptic number.

It is an amenable number.

12682993 is a deficient number, since it is larger than the sum of its proper divisors (11535).

12682993 is a wasteful number, since it uses less digits than its factorization.

12682993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11534.

The product of its digits is 46656, while the sum is 40.

The square root of 12682993 is about 3561.3189972256. The cubic root of 12682993 is about 233.2064641371.

The spelling of 12682993 in words is "twelve million, six hundred eighty-two thousand, nine hundred ninety-three".

Divisors: 1 1231 10303 12682993