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12821114 = 26410557
BaseRepresentation
bin110000111010…
…001001111010
3220010101021002
4300322021322
511240233424
61134445002
7213656225
oct60721172
926111232
1012821114
117267769
124363762
13286b977
1419ba5bc
1511d3cae
hexc3a27a

12821114 has 4 divisors (see below), whose sum is σ = 19231674. Its totient is φ = 6410556.

The previous prime is 12821087. The next prime is 12821117. The reversal of 12821114 is 41112821.

12821114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 801025 = 3467^2 + 895^2 .

It is not an unprimeable number, because it can be changed into a prime (12821117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205277 + ... + 3205280.

Almost surely, 212821114 is an apocalyptic number.

12821114 is a deficient number, since it is larger than the sum of its proper divisors (6410560).

12821114 is an equidigital number, since it uses as much as digits as its factorization.

12821114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410559.

The product of its digits is 128, while the sum is 20.

The square root of 12821114 is about 3580.6583193597. The cubic root of 12821114 is about 234.0499686310.

Adding to 12821114 its reverse (41112821), we get a palindrome (53933935).

The spelling of 12821114 in words is "twelve million, eight hundred twenty-one thousand, one hundred fourteen".

Divisors: 1 2 6410557 12821114