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12848881 = 232107227
BaseRepresentation
bin110001000000…
…111011110001
3220011210100111
4301000323301
511242131011
61135221321
7214133203
oct61007361
926153314
1012848881
117286611
124377841
13287b4b6
1419c6773
1511dc121
hexc40ef1

12848881 has 12 divisors (see below), whose sum is σ = 13617072. Its totient is φ = 12121736.

The previous prime is 12848863. The next prime is 12848893. The reversal of 12848881 is 18884821.

It is not a de Polignac number, because 12848881 - 211 = 12846833 is a prime.

It is a super-2 number, since 2×128488812 = 330187485904322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12848081) 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 11 ways as a sum of consecutive naturals, for example, 56490 + ... + 56716.

It is an arithmetic number, because the mean of its divisors is an integer number (1134756).

Almost surely, 212848881 is an apocalyptic number.

It is an amenable number.

12848881 is a deficient number, since it is larger than the sum of its proper divisors (768191).

12848881 is a wasteful number, since it uses less digits than its factorization.

12848881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 357 counting only the distinct ones).

The product of its digits is 32768, while the sum is 40.

The square root of 12848881 is about 3584.5335819322. The cubic root of 12848881 is about 234.2188093815.

The spelling of 12848881 in words is "twelve million, eight hundred forty-eight thousand, eight hundred eighty-one".

Divisors: 1 23 107 227 529 2461 5221 24289 56603 120083 558647 12848881