Search a number
-
+
12220363 = 191076011
BaseRepresentation
bin101110100111…
…011111001011
3211222212012001
4232213133023
511112022423
61113531431
7205604611
oct56473713
924885161
1012220363
116997381
124113b77
1326bb3ac
1418a16b1
151115cad
hexba77cb

12220363 has 8 divisors (see below), whose sum is σ = 12985920. Its totient is φ = 11467080.

The previous prime is 12220361. The next prime is 12220393. The reversal of 12220363 is 36302221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12220363 - 21 = 12220361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220363.

It is not an unprimeable number, because it can be changed into a prime (12220361) 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, 973 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (1623240).

Almost surely, 212220363 is an apocalyptic number.

12220363 is a deficient number, since it is larger than the sum of its proper divisors (765557).

12220363 is a wasteful number, since it uses less digits than its factorization.

12220363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 12220363 is about 3495.7635789624. The cubic root of 12220363 is about 230.3357603968.

Adding to 12220363 its reverse (36302221), we get a palindrome (48522584).

The spelling of 12220363 in words is "twelve million, two hundred twenty thousand, three hundred sixty-three".

Divisors: 1 19 107 2033 6011 114209 643177 12220363