Search a number
-
+
12020934 = 2318111069
BaseRepresentation
bin101101110110…
…110011000110
3211121201121210
4231312303012
511034132214
61105352250
7204114312
oct55666306
924551553
1012020934
116870562
124038686
13264b6a3
14184cb42
1510c6b59
hexb76cc6

12020934 has 16 divisors (see below), whose sum is σ = 24176880. Its totient is φ = 3984480.

The previous prime is 12020933. The next prime is 12020947. The reversal of 12020934 is 43902021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020933) 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, 4449 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (1511055).

Almost surely, 212020934 is an apocalyptic number.

12020934 is an abundant number, since it is smaller than the sum of its proper divisors (12155946).

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

12020934 is a wasteful number, since it uses less digits than its factorization.

12020934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12020934 is about 3467.1218611407. The cubic root of 12020934 is about 229.0759014368.

Adding to 12020934 its reverse (43902021), we get a palindrome (55922955).

The spelling of 12020934 in words is "twelve million, twenty thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 181 362 543 1086 11069 22138 33207 66414 2003489 4006978 6010467 12020934