Search a number
-
+
12280694 = 216073821
BaseRepresentation
bin101110110110…
…001101110110
3212002220221112
4232312031312
511120440234
61115115022
7206245526
oct56661566
925086845
1012280694
116a28738
124142a72
13270c9aa
1418b9686
151128ace
hexbb6376

12280694 has 8 divisors (see below), whose sum is σ = 18437328. Its totient is φ = 6134920.

The previous prime is 12280693. The next prime is 12280721. The reversal of 12280694 is 49608221.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12280694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (2304666).

Almost surely, 212280694 is an apocalyptic number.

12280694 is a deficient number, since it is larger than the sum of its proper divisors (6156634).

12280694 is a wasteful number, since it uses less digits than its factorization.

12280694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 12280694 is about 3504.3821138683. The cubic root of 12280694 is about 230.7141883483.

The spelling of 12280694 in words is "twelve million, two hundred eighty thousand, six hundred ninety-four".

Divisors: 1 2 1607 3214 3821 7642 6140347 12280694