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12345668 = 2219612663
BaseRepresentation
bin101111000110…
…000101000100
3212020020001222
4233012011010
511130030133
61120335512
7206636126
oct57060504
925206058
1012345668
116a72535
124174598
13273343a
1418d5216
15113ce98
hexbc6144

12345668 has 24 divisors (see below), whose sum is σ = 23123520. Its totient is φ = 5749920.

The previous prime is 12345653. The next prime is 12345701. The reversal of 12345668 is 86654321.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305 + ... + 5967.

It is an arithmetic number, because the mean of its divisors is an integer number (963480).

Almost surely, 212345668 is an apocalyptic number.

It is an amenable number.

12345668 is a deficient number, since it is larger than the sum of its proper divisors (10777852).

12345668 is a wasteful number, since it uses less digits than its factorization.

12345668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2745 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 12345668 is about 3513.6402775469. The cubic root of 12345668 is about 231.1203560637.

Adding to 12345668 its reverse (86654321), we get a palindrome (98999989).

The spelling of 12345668 in words is "twelve million, three hundred forty-five thousand, six hundred sixty-eight".

Divisors: 1 2 4 19 38 61 76 122 244 1159 2318 2663 4636 5326 10652 50597 101194 162443 202388 324886 649772 3086417 6172834 12345668