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12795331 = 106312037
BaseRepresentation
bin110000110011…
…110111000011
3220002001220011
4300303313003
511233422311
61134125351
7213521113
oct60636703
926061804
1012795331
11724a35a
124350857
132860003
1419b1043
1511cb321
hexc33dc3

12795331 has 4 divisors (see below), whose sum is σ = 12808432. Its totient is φ = 12782232.

The previous prime is 12795319. The next prime is 12795361. The reversal of 12795331 is 13359721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13359721 = 14299349.

It is a cyclic number.

It is not a de Polignac number, because 12795331 - 29 = 12794819 is a prime.

It is a super-2 number, since 2×127953312 = 327440990799122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12795293 and 12795302.

It is not an unprimeable number, because it can be changed into a prime (12795311) 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 3 ways as a sum of consecutive naturals, for example, 4956 + ... + 7081.

It is an arithmetic number, because the mean of its divisors is an integer number (3202108).

Almost surely, 212795331 is an apocalyptic number.

12795331 is a deficient number, since it is larger than the sum of its proper divisors (13101).

12795331 is a wasteful number, since it uses less digits than its factorization.

12795331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13100.

The product of its digits is 5670, while the sum is 31.

The square root of 12795331 is about 3577.0561918986. The cubic root of 12795331 is about 233.8929734339.

The spelling of 12795331 in words is "twelve million, seven hundred ninety-five thousand, three hundred thirty-one".

Divisors: 1 1063 12037 12795331