Search a number
-
+
13137212 = 2211227143
BaseRepresentation
bin110010000111…
…010100111100
3220201102212102
4302013110330
511330342322
61145324232
7216443624
oct62072474
926642772
1013137212
117463200
124496678
13294c7ca
141a5d884
151247792
hexc8753c

13137212 has 18 divisors (see below), whose sum is σ = 25271064. Its totient is φ = 5971240.

The previous prime is 13137199. The next prime is 13137217. The reversal of 13137212 is 21273131.

13137212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13137217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13088 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (1403948).

Almost surely, 213137212 is an apocalyptic number.

It is an amenable number.

13137212 is a deficient number, since it is larger than the sum of its proper divisors (12133852).

13137212 is a wasteful number, since it uses less digits than its factorization.

13137212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27169 (or 27156 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 13137212 is about 3624.5292108079. The cubic root of 13137212 is about 235.9578350410.

The spelling of 13137212 in words is "thirteen million, one hundred thirty-seven thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 121 242 484 27143 54286 108572 298573 597146 1194292 3284303 6568606 13137212