Search a number
-
+
12020632 = 2313217523
BaseRepresentation
bin101101110110…
…101110011000
3211121201012121
4231312232120
511034130012
61105351024
7204113401
oct55665630
924551177
1012020632
116870308
124038474
13264b500
14184c9a8
1510c6a07
hexb76b98

12020632 has 48 divisors (see below), whose sum is σ = 25890840. Its totient is φ = 5211648.

The previous prime is 12020627. The next prime is 12020633. The reversal of 12020632 is 23602021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22723 + ... + 23245.

Almost surely, 212020632 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 12020632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12945420).

12020632 is an abundant number, since it is smaller than the sum of its proper divisors (13870208).

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

12020632 is a wasteful number, since it uses less digits than its factorization.

12020632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12020632 is about 3467.0783088935. The cubic root of 12020632 is about 229.0739830750.

Adding to 12020632 its reverse (23602021), we get a palindrome (35622653).

The spelling of 12020632 in words is "twelve million, twenty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 169 221 338 442 523 676 884 1046 1352 1768 2092 2873 4184 5746 6799 8891 11492 13598 17782 22984 27196 35564 54392 71128 88387 115583 176774 231166 353548 462332 707096 924664 1502579 3005158 6010316 12020632