Search a number
-
+
12134836 = 227479221
BaseRepresentation
bin101110010010…
…100110110100
3211211111212101
4232102212310
511101303321
61112031444
7205100350
oct56224664
924744771
1012134836
11693909a
124092584
13268b49c
14187c460
1510ea791
hexb929b4

12134836 has 24 divisors (see below), whose sum is σ = 24788736. Its totient is φ = 5089440.

The previous prime is 12134831. The next prime is 12134867. The reversal of 12134836 is 63843121.

12134836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121348363 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134831) 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, 3295 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (1032864).

Almost surely, 212134836 is an apocalyptic number.

It is an amenable number.

12134836 is an abundant number, since it is smaller than the sum of its proper divisors (12653900).

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

12134836 is a wasteful number, since it uses less digits than its factorization.

12134836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279 (or 9277 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 12134836 is about 3483.5091502679. The cubic root of 12134836 is about 229.7971494391.

Adding to 12134836 its reverse (63843121), we get a palindrome (75977957).

It can be divided in two parts, 121 and 34836, that multiplied together give a triangular number (4215156 = T2903).

The spelling of 12134836 in words is "twelve million, one hundred thirty-four thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 9221 18442 36884 64547 129094 258188 433387 866774 1733548 3033709 6067418 12134836