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12803533 = 175711319
BaseRepresentation
bin110000110101…
…110111001101
3220002111010221
4300311313031
511234203113
61134231341
7213554041
oct60656715
926074127
1012803533
117255536
124355551
132863972
1419b4021
1511cd98d
hexc35dcd

12803533 has 8 divisors (see below), whose sum is σ = 13590720. Its totient is φ = 12020160.

The previous prime is 12803509. The next prime is 12803537. The reversal of 12803533 is 33530821.

12803533 is digitally balanced in base 3, 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12803533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12803498 and 12803507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803537) 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, 9048 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (1698840).

Almost surely, 212803533 is an apocalyptic number.

It is an amenable number.

12803533 is a deficient number, since it is larger than the sum of its proper divisors (787187).

12803533 is a wasteful number, since it uses less digits than its factorization.

12803533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 12803533 is about 3578.2024816938. The cubic root of 12803533 is about 233.9429390661.

The spelling of 12803533 in words is "twelve million, eight hundred three thousand, five hundred thirty-three".

Divisors: 1 17 571 1319 9707 22423 753149 12803533