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12892768 = 25757557
BaseRepresentation
bin110001001011…
…101001100000
3220021000112221
4301023221200
511300032033
61140200424
7214405150
oct61135140
926230487
1012892768
117306589
124399114
132895475
1419d8760
1511ea12d
hexc4ba60

12892768 has 24 divisors (see below), whose sum is σ = 29009232. Its totient is φ = 5525376.

The previous prime is 12892757. The next prime is 12892771. The reversal of 12892768 is 86729821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28555 + ... + 29002.

It is an arithmetic number, because the mean of its divisors is an integer number (1208718).

Almost surely, 212892768 is an apocalyptic number.

It is an amenable number.

12892768 is an abundant number, since it is smaller than the sum of its proper divisors (16116464).

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

12892768 is an equidigital number, since it uses as much as digits as its factorization.

12892768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57574 (or 57566 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 12892768 is about 3590.6500804172. The cubic root of 12892768 is about 234.4851744650.

The spelling of 12892768 in words is "twelve million, eight hundred ninety-two thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 57557 115114 230228 402899 460456 805798 920912 1611596 1841824 3223192 6446384 12892768