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12230695 = 52446139
BaseRepresentation
bin101110101010…
…000000100111
3212000101100201
4232222000213
511112340240
61114051331
7205650001
oct56520047
925011321
1012230695
1169a4114
124119b47
1326c2cc9
1418a5371
151118d9a
hexbaa027

12230695 has 4 divisors (see below), whose sum is σ = 14676840. Its totient is φ = 9784552.

The previous prime is 12230693. The next prime is 12230707. The reversal of 12230695 is 59603221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59603221 = 263322637.

It is a cyclic number.

It is not a de Polignac number, because 12230695 - 21 = 12230693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223065 + ... + 1223074.

It is an arithmetic number, because the mean of its divisors is an integer number (3669210).

Almost surely, 212230695 is an apocalyptic number.

12230695 is a deficient number, since it is larger than the sum of its proper divisors (2446145).

12230695 is an equidigital number, since it uses as much as digits as its factorization.

12230695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446144.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 12230695 is about 3497.2410554607. The cubic root of 12230695 is about 230.4006564149.

The spelling of 12230695 in words is "twelve million, two hundred thirty thousand, six hundred ninety-five".

Divisors: 1 5 2446139 12230695