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12295966 = 26147983
BaseRepresentation
bin101110111001…
…111100011110
3212010200220011
4232321330132
511121432331
61115313434
7206341204
oct56717436
925120804
1012295966
116a39161
12414b87a
132716927
1418c1074
15112d3b1
hexbb9f1e

12295966 has 4 divisors (see below), whose sum is σ = 18443952. Its totient is φ = 6147982.

The previous prime is 12295957. The next prime is 12295967. The reversal of 12295966 is 66959221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66959221 = 79565603.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12295967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073990 + ... + 3073993.

It is an arithmetic number, because the mean of its divisors is an integer number (4610988).

Almost surely, 212295966 is an apocalyptic number.

12295966 is a deficient number, since it is larger than the sum of its proper divisors (6147986).

12295966 is an equidigital number, since it uses as much as digits as its factorization.

12295966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147985.

The product of its digits is 58320, while the sum is 40.

The square root of 12295966 is about 3506.5604229786. The cubic root of 12295966 is about 230.8097857557.

The spelling of 12295966 in words is "twelve million, two hundred ninety-five thousand, nine hundred sixty-six".

Divisors: 1 2 6147983 12295966