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12289113 = 3217312591
BaseRepresentation
bin101110111000…
…010001011001
3212010100111100
4232320101121
511121222423
61115222013
7206312214
oct56702131
925110440
1012289113
116a33aa1
124147909
132713785
1418bc77b
15112b343
hexbb8459

12289113 has 24 divisors (see below), whose sum is σ = 19408896. Its totient is φ = 7459200.

The previous prime is 12289111. The next prime is 12289117. The reversal of 12289113 is 31198221.

12289113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12289113 - 21 = 12289111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12289111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3448 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (808704).

Almost surely, 212289113 is an apocalyptic number.

It is an amenable number.

12289113 is a deficient number, since it is larger than the sum of its proper divisors (7119783).

12289113 is a wasteful number, since it uses less digits than its factorization.

12289113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2642 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 12289113 is about 3505.5831183984. The cubic root of 12289113 is about 230.7668981559.

The spelling of 12289113 in words is "twelve million, two hundred eighty-nine thousand, one hundred thirteen".

Divisors: 1 3 9 17 31 51 93 153 279 527 1581 2591 4743 7773 23319 44047 80321 132141 240963 396423 722889 1365457 4096371 12289113