Search a number
-
+
12210572 = 2211277513
BaseRepresentation
bin101110100101…
…000110001100
3211222100202102
4232211012030
511111214242
61113414232
7205534223
oct56450614
924870672
1012210572
11698aa90
12410a378
1326b6aba
14189bcba
151112e32
hexba518c

12210572 has 12 divisors (see below), whose sum is σ = 23311176. Its totient is φ = 5550240.

The previous prime is 12210563. The next prime is 12210577. The reversal of 12210572 is 27501221.

It is not an unprimeable number, because it can be changed into a prime (12210577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138713 + ... + 138800.

It is an arithmetic number, because the mean of its divisors is an integer number (1942598).

Almost surely, 212210572 is an apocalyptic number.

It is an amenable number.

12210572 is a deficient number, since it is larger than the sum of its proper divisors (11100604).

12210572 is a wasteful number, since it uses less digits than its factorization.

12210572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277528 (or 277526 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12210572 is about 3494.3628889971. The cubic root of 12210572 is about 230.2742286732.

Adding to 12210572 its reverse (27501221), we get a palindrome (39711793).

The spelling of 12210572 in words is "twelve million, two hundred ten thousand, five hundred seventy-two".

Divisors: 1 2 4 11 22 44 277513 555026 1110052 3052643 6105286 12210572