Search a number
-
+
12857301 = 324333223
BaseRepresentation
bin110001000010…
…111111010101
3220012012220100
4301002333111
511242413201
61135324313
7214166562
oct61027725
926165810
1012857301
117291976
124380699
132882292
1419c9869
1511de886
hexc42fd5

12857301 has 12 divisors (see below), whose sum is σ = 19004128. Its totient is φ = 8371944.

The previous prime is 12857297. The next prime is 12857333. The reversal of 12857301 is 10375821.

It is not a de Polignac number, because 12857301 - 22 = 12857297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16225 + ... + 16998.

Almost surely, 212857301 is an apocalyptic number.

It is an amenable number.

12857301 is a deficient number, since it is larger than the sum of its proper divisors (6146827).

12857301 is a wasteful number, since it uses less digits than its factorization.

12857301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33272 (or 33269 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12857301 is about 3585.7078799032. The cubic root of 12857301 is about 234.2699601847.

The spelling of 12857301 in words is "twelve million, eight hundred fifty-seven thousand, three hundred one".

Divisors: 1 3 9 43 129 387 33223 99669 299007 1428589 4285767 12857301