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12290883 = 311372451
BaseRepresentation
bin101110111000…
…101101000011
3212010102220220
4232320231003
511121302013
61115234123
7206320323
oct56705503
925112826
1012290883
116a35360
124148943
132714517
1418bd283
15112bb23
hexbb8b43

12290883 has 8 divisors (see below), whose sum is σ = 17877696. Its totient is φ = 7449000.

The previous prime is 12290851. The next prime is 12290893. The reversal of 12290883 is 38809221.

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

It is not a de Polignac number, because 12290883 - 25 = 12290851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 372451 = 12290883 / (1 + 2 + 2 + 9 + 0 + 8 + 8 + 3).

It is not an unprimeable number, because it can be changed into a prime (12290833) 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, 186193 + ... + 186258.

It is an arithmetic number, because the mean of its divisors is an integer number (2234712).

Almost surely, 212290883 is an apocalyptic number.

12290883 is a deficient number, since it is larger than the sum of its proper divisors (5586813).

12290883 is a wasteful number, since it uses less digits than its factorization.

12290883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372465.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12290883 is about 3505.8355637423. The cubic root of 12290883 is about 230.7779767369. Note that the first 3 decimals are identical.

The spelling of 12290883 in words is "twelve million, two hundred ninety thousand, eight hundred eighty-three".

Divisors: 1 3 11 33 372451 1117353 4096961 12290883