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12270764 = 2211278881
BaseRepresentation
bin101110110011…
…110010101100
3212002102022202
4232303302230
511120131024
61115001032
7206204552
oct56636254
925072282
1012270764
116a21230
124139178
13270830c
1418b5bd2
151125bae
hexbb3cac

12270764 has 12 divisors (see below), whose sum is σ = 23426088. Its totient is φ = 5577600.

The previous prime is 12270763. The next prime is 12270871. The reversal of 12270764 is 46707221.

It is not an unprimeable number, because it can be changed into a prime (12270763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139397 + ... + 139484.

It is an arithmetic number, because the mean of its divisors is an integer number (1952174).

Almost surely, 212270764 is an apocalyptic number.

It is an amenable number.

12270764 is a deficient number, since it is larger than the sum of its proper divisors (11155324).

12270764 is a wasteful number, since it uses less digits than its factorization.

12270764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278896 (or 278894 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12270764 is about 3502.9650297998. The cubic root of 12270764 is about 230.6519874755.

Adding to 12270764 its reverse (46707221), we get a palindrome (58977985).

The spelling of 12270764 in words is "twelve million, two hundred seventy thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 22 44 278881 557762 1115524 3067691 6135382 12270764