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12302807 = 111118437
BaseRepresentation
bin101110111011…
…100111010111
3212011001021112
4232323213113
511122142212
61115405235
7206400146
oct56734727
925131245
1012302807
116a43310
12415381b
132719a8a
1418c375d
151130422
hexbbb9d7

12302807 has 4 divisors (see below), whose sum is σ = 13421256. Its totient is φ = 11184360.

The previous prime is 12302803. The next prime is 12302813. The reversal of 12302807 is 70820321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12302807 - 22 = 12302803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559208 + ... + 559229.

It is an arithmetic number, because the mean of its divisors is an integer number (3355314).

Almost surely, 212302807 is an apocalyptic number.

12302807 is a deficient number, since it is larger than the sum of its proper divisors (1118449).

12302807 is a wasteful number, since it uses less digits than its factorization.

12302807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118448.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12302807 is about 3507.5357446504. The cubic root of 12302807 is about 230.8525823664.

The spelling of 12302807 in words is "twelve million, three hundred two thousand, eight hundred seven".

Divisors: 1 11 1118437 12302807