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12275995 = 519129221
BaseRepresentation
bin101110110101…
…000100011011
3212002200111111
4232311010123
511120312440
61115041151
7206226034
oct56650433
925080444
1012275995
116a25156
1241401b7
13270a804
1418b7a8b
1511274ea
hexbb511b

12275995 has 8 divisors (see below), whose sum is σ = 15506640. Its totient is φ = 9303840.

The previous prime is 12275959. The next prime is 12276001. The reversal of 12275995 is 59957221.

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

It is not a de Polignac number, because 12275995 - 27 = 12275867 is a prime.

It is an unprimeable number.

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, 64516 + ... + 64705.

It is an arithmetic number, because the mean of its divisors is an integer number (1938330).

Almost surely, 212275995 is an apocalyptic number.

12275995 is a deficient number, since it is larger than the sum of its proper divisors (3230645).

12275995 is a wasteful number, since it uses less digits than its factorization.

12275995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129245.

The product of its digits is 56700, while the sum is 40.

The square root of 12275995 is about 3503.7116034286. The cubic root of 12275995 is about 230.6847582994.

The spelling of 12275995 in words is "twelve million, two hundred seventy-five thousand, nine hundred ninety-five".

Divisors: 1 5 19 95 129221 646105 2455199 12275995