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12794087 = 191574289
BaseRepresentation
bin110000110011…
…100011100111
3220002000012002
4300303203213
511233402322
61134115515
7213514355
oct60634347
926060162
1012794087
117249429
12434bb9b
13285c587
1419b07d5
1511cac92
hexc338e7

12794087 has 8 divisors (see below), whose sum is σ = 13556400. Its totient is φ = 12040704.

The previous prime is 12794083. The next prime is 12794099. The reversal of 12794087 is 78049721.

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

It is a cyclic number.

It is not a de Polignac number, because 12794087 - 22 = 12794083 is a prime.

It is a super-4 number, since 4×127940874 (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12794087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12794083) 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 7 ways as a sum of consecutive naturals, for example, 839 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (1694550).

Almost surely, 212794087 is an apocalyptic number.

12794087 is a deficient number, since it is larger than the sum of its proper divisors (762313).

12794087 is a wasteful number, since it uses less digits than its factorization.

12794087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12794087 is about 3576.8823016700. The cubic root of 12794087 is about 233.8853932655.

The spelling of 12794087 in words is "twelve million, seven hundred ninety-four thousand, eighty-seven".

Divisors: 1 19 157 2983 4289 81491 673373 12794087