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12344657 = 13949589
BaseRepresentation
bin101111000101…
…110101010001
3212020011200112
4233011311101
511130012112
61120331105
7206633153
oct57056521
925204615
1012344657
116a717a6
124173a95
132732b40
1418d4ad3
15113ca22
hexbc5d51

12344657 has 4 divisors (see below), whose sum is σ = 13294260. Its totient is φ = 11395056.

The previous prime is 12344641. The next prime is 12344671. The reversal of 12344657 is 75644321.

12344657 is nontrivially palindromic in base 11.

12344657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 6507601 = 2416^2 + 2551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12344657 - 24 = 12344641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344627) 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 3 ways as a sum of consecutive naturals, for example, 474782 + ... + 474807.

It is an arithmetic number, because the mean of its divisors is an integer number (3323565).

Almost surely, 212344657 is an apocalyptic number.

It is an amenable number.

12344657 is a deficient number, since it is larger than the sum of its proper divisors (949603).

12344657 is an equidigital number, since it uses as much as digits as its factorization.

12344657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949602.

The product of its digits is 20160, while the sum is 32.

The square root of 12344657 is about 3513.4964067151. The cubic root of 12344657 is about 231.1140469935.

Adding to 12344657 its reverse (75644321), we get a palindrome (87988978).

The spelling of 12344657 in words is "twelve million, three hundred forty-four thousand, six hundred fifty-seven".

Divisors: 1 13 949589 12344657