Search a number
-
+
12903296 = 27714401
BaseRepresentation
bin110001001110…
…001110000000
3220021112222212
4301032032000
511300401141
61140321252
7214450640
oct61161600
926245885
1012903296
11731348a
1243a3228
13289a1b3
1419dc520
1511ed2eb
hexc4e380

12903296 has 32 divisors (see below), whose sum is σ = 29380080. Its totient is φ = 5529600.

The previous prime is 12903287. The next prime is 12903313. The reversal of 12903296 is 69230921.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an alternating number because its digits alternate between odd and even.

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, 6305 + ... + 8096.

Almost surely, 212903296 is an apocalyptic number.

12903296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12903296 is an abundant number, since it is smaller than the sum of its proper divisors (16476784).

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

12903296 is an equidigital number, since it uses as much as digits as its factorization.

12903296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14422 (or 14410 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 12903296 is about 3592.1158110506. The cubic root of 12903296 is about 234.5489825438.

The spelling of 12903296 in words is "twelve million, nine hundred three thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 14401 28802 57604 100807 115208 201614 230416 403228 460832 806456 921664 1612912 1843328 3225824 6451648 12903296