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12893241 = 331138637
BaseRepresentation
bin110001001011…
…110000111001
3220021001012110
4301023300321
511300040431
61140202533
7214406424
oct61136071
926231173
1012893241
117306979
124399449
13289574a
1419d89bb
1511ea346
hexc4bc39

12893241 has 8 divisors (see below), whose sum is σ = 17745664. Its totient is φ = 8318160.

The previous prime is 12893233. The next prime is 12893261. The reversal of 12893241 is 14239821.

12893241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12893241 - 23 = 12893233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12893199 and 12893208.

It is not an unprimeable number, because it can be changed into a prime (12893261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69226 + ... + 69411.

It is an arithmetic number, because the mean of its divisors is an integer number (2218208).

Almost surely, 212893241 is an apocalyptic number.

It is an amenable number.

12893241 is a deficient number, since it is larger than the sum of its proper divisors (4852423).

12893241 is a wasteful number, since it uses less digits than its factorization.

12893241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138671.

The product of its digits is 3456, while the sum is 30.

The square root of 12893241 is about 3590.7159453234. The cubic root of 12893241 is about 234.4880419675.

The spelling of 12893241 in words is "twelve million, eight hundred ninety-three thousand, two hundred forty-one".

Divisors: 1 3 31 93 138637 415911 4297747 12893241