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12612443 = 311392927
BaseRepresentation
bin110000000111…
…001101011011
3212201210000112
4300013031123
511212044233
61130154535
7212126654
oct60071533
925653015
1012612443
117134a08
124282a4b
1327c79ac
14196452b
151192048
hexc0735b

12612443 has 8 divisors (see below), whose sum is σ = 13117440. Its totient is φ = 12113640.

The previous prime is 12612437. The next prime is 12612473. The reversal of 12612443 is 34421621.

12612443 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12612443 - 210 = 12611419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12612433) 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, 2846 + ... + 5772.

It is an arithmetic number, because the mean of its divisors is an integer number (1639680).

Almost surely, 212612443 is an apocalyptic number.

12612443 is a deficient number, since it is larger than the sum of its proper divisors (504997).

12612443 is a wasteful number, since it uses less digits than its factorization.

12612443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097.

The product of its digits is 1152, while the sum is 23.

The square root of 12612443 is about 3551.4001464211. The cubic root of 12612443 is about 232.7732510116.

The spelling of 12612443 in words is "twelve million, six hundred twelve thousand, four hundred forty-three".

Divisors: 1 31 139 2927 4309 90737 406853 12612443