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12344447 = 103119849
BaseRepresentation
bin101111000101…
…110001111111
3212020011101202
4233011301333
511130010242
61120330115
7206632433
oct57056177
925204352
1012344447
116a71625
12417393b
132732a0b
1418d49c3
15113c932
hexbc5c7f

12344447 has 4 divisors (see below), whose sum is σ = 12464400. Its totient is φ = 12224496.

The previous prime is 12344443. The next prime is 12344477. The reversal of 12344447 is 74444321.

12344447 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, and also an emirpimes, since its reverse is a distinct semiprime: 74444321 = 710634903.

It is a cyclic number.

It is not a de Polignac number, because 12344447 - 22 = 12344443 is a prime.

It is a super-3 number, since 3×123444473 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59822 + ... + 60027.

It is an arithmetic number, because the mean of its divisors is an integer number (3116100).

Almost surely, 212344447 is an apocalyptic number.

12344447 is a deficient number, since it is larger than the sum of its proper divisors (119953).

12344447 is a wasteful number, since it uses less digits than its factorization.

12344447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119952.

The product of its digits is 10752, while the sum is 29.

The square root of 12344447 is about 3513.4665218271. The cubic root of 12344447 is about 231.1127364609.

Adding to 12344447 its reverse (74444321), we get a palindrome (86788768).

The spelling of 12344447 in words is "twelve million, three hundred forty-four thousand, four hundred forty-seven".

Divisors: 1 103 119849 12344447