Search a number
-
+
12290337 = 321780329
BaseRepresentation
bin101110111000…
…100100100001
3212010102011200
4232320210201
511121242322
61115231413
7206315613
oct56704441
925112150
1012290337
116a34a04
124148569
1327141b7
1418bcdb3
15112b8ac
hexbb8921

12290337 has 12 divisors (see below), whose sum is σ = 18797220. Its totient is φ = 7711488.

The previous prime is 12290323. The next prime is 12290339. The reversal of 12290337 is 73309221.

It can be written as a sum of positive squares in 2 ways, for example, as 9884736 + 2405601 = 3144^2 + 1551^2 .

It is not a de Polignac number, because 12290337 - 26 = 12290273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12290337.

It is not an unprimeable number, because it can be changed into a prime (12290339) 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 11 ways as a sum of consecutive naturals, for example, 40012 + ... + 40317.

It is an arithmetic number, because the mean of its divisors is an integer number (1566435).

Almost surely, 212290337 is an apocalyptic number.

12290337 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12290337 is a deficient number, since it is larger than the sum of its proper divisors (6506883).

12290337 is a wasteful number, since it uses less digits than its factorization.

12290337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80352 (or 80349 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 12290337 is about 3505.7576927107. The cubic root of 12290337 is about 230.7745593898.

Adding to 12290337 its reverse (73309221), we get a palindrome (85599558).

The spelling of 12290337 in words is "twelve million, two hundred ninety thousand, three hundred thirty-seven".

Divisors: 1 3 9 17 51 153 80329 240987 722961 1365593 4096779 12290337