Search a number
-
+
12150712 = 237613557
BaseRepresentation
bin101110010110…
…011110111000
3211212022122101
4232112132320
511102310322
61112233144
7205164550
oct56263670
924768571
1012150712
11694a012
12409b7b4
132695792
141884160
151100327
hexb967b8

12150712 has 32 divisors (see below), whose sum is σ = 26471520. Its totient is φ = 5120640.

The previous prime is 12150707. The next prime is 12150713. The reversal of 12150712 is 21705121.

It is a self number, because there is not a number n which added to its sum of digits gives 12150712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (827235).

Almost surely, 212150712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12150712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13235760).

12150712 is an abundant number, since it is smaller than the sum of its proper divisors (14320808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12150712 is a wasteful number, since it uses less digits than its factorization.

12150712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 12150712 is about 3485.7871420957. The cubic root of 12150712 is about 229.8973202667.

Adding to 12150712 its reverse (21705121), we get a palindrome (33855833).

The spelling of 12150712 in words is "twelve million, one hundred fifty thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 61 122 244 427 488 854 1708 3416 3557 7114 14228 24899 28456 49798 99596 199192 216977 433954 867908 1518839 1735816 3037678 6075356 12150712