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12322681 = 75929837
BaseRepresentation
bin101111000000…
…011101111001
3212012001112121
4233000131321
511123311211
61120041241
7206512120
oct57003571
925161477
1012322681
116a57238
124163221
132725b37
1418caab7
151136271
hexbc0779

12322681 has 8 divisors (see below), whose sum is σ = 14322240. Its totient is φ = 10382928.

The previous prime is 12322649. The next prime is 12322691. The reversal of 12322681 is 18622321.

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 12322681 - 25 = 12322649 is a prime.

It is a super-2 number, since 2×123226812 = 303696934055522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14506 + ... + 15331.

It is an arithmetic number, because the mean of its divisors is an integer number (1790280).

Almost surely, 212322681 is an apocalyptic number.

It is an amenable number.

12322681 is a deficient number, since it is larger than the sum of its proper divisors (1999559).

12322681 is an equidigital number, since it uses as much as digits as its factorization.

12322681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29903.

The product of its digits is 1152, while the sum is 25.

The square root of 12322681 is about 3510.3676445637. The cubic root of 12322681 is about 230.9768221968.

The spelling of 12322681 in words is "twelve million, three hundred twenty-two thousand, six hundred eighty-one".

Divisors: 1 7 59 413 29837 208859 1760383 12322681