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12445361 = 194315233
BaseRepresentation
bin101111011110…
…011010110001
3212102021211022
4233132122301
511141222421
61122425225
7210532565
oct57363261
925367738
1012445361
117030425
124202215
132769926
14191d6a5
15115c7ab
hexbde6b1

12445361 has 8 divisors (see below), whose sum is σ = 13405920. Its totient is φ = 11515392.

The previous prime is 12445351. The next prime is 12445397. The reversal of 12445361 is 16354421.

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

It is a cyclic number.

It is not a de Polignac number, because 12445361 - 26 = 12445297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12445361.

It is not an unprimeable number, because it can be changed into a prime (12445331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6800 + ... + 8433.

It is an arithmetic number, because the mean of its divisors is an integer number (1675740).

Almost surely, 212445361 is an apocalyptic number.

It is an amenable number.

12445361 is a deficient number, since it is larger than the sum of its proper divisors (960559).

12445361 is a wasteful number, since it uses less digits than its factorization.

12445361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295.

The product of its digits is 2880, while the sum is 26.

The square root of 12445361 is about 3527.7983218999. The cubic root of 12445361 is about 231.7407987543.

Adding to 12445361 its reverse (16354421), we get a palindrome (28799782).

The spelling of 12445361 in words is "twelve million, four hundred forty-five thousand, three hundred sixty-one".

Divisors: 1 19 43 817 15233 289427 655019 12445361