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12893828 = 2210929573
BaseRepresentation
bin110001001011…
…111010000100
3220021002000012
4301023322010
511300100303
61140205352
7214411223
oct61137204
926232005
1012893828
117307362
124399858
132895aac
1419d8cba
1511ea5d8
hexc4be84

12893828 has 12 divisors (see below), whose sum is σ = 22771980. Its totient is φ = 6387552.

The previous prime is 12893819. The next prime is 12893831. The reversal of 12893828 is 82839821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 7795264 = 2258^2 + 2792^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14351 + ... + 15222.

It is an arithmetic number, because the mean of its divisors is an integer number (1897665).

Almost surely, 212893828 is an apocalyptic number.

It is an amenable number.

12893828 is a deficient number, since it is larger than the sum of its proper divisors (9878152).

12893828 is a wasteful number, since it uses less digits than its factorization.

12893828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29686 (or 29684 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 12893828 is about 3590.7976829668. The cubic root of 12893828 is about 234.4916004829.

The spelling of 12893828 in words is "twelve million, eight hundred ninety-three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 109 218 436 29573 59146 118292 3223457 6446914 12893828