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12069838 = 211548629
BaseRepresentation
bin101110000010…
…101111001110
3211201012201001
4232002233032
511042213323
61110410514
7204410014
oct56025716
924635631
1012069838
1168a4280
124060a3a
132667a21
1418628b4
1510d63ad
hexb82bce

12069838 has 8 divisors (see below), whose sum is σ = 19750680. Its totient is φ = 5486280.

The previous prime is 12069823. The next prime is 12069851. The reversal of 12069838 is 83896021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12069797 and 12069806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 274293 + ... + 274336.

It is an arithmetic number, because the mean of its divisors is an integer number (2468835).

Almost surely, 212069838 is an apocalyptic number.

12069838 is a deficient number, since it is larger than the sum of its proper divisors (7680842).

12069838 is a wasteful number, since it uses less digits than its factorization.

12069838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548642.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12069838 is about 3474.1672383465. The cubic root of 12069838 is about 229.3861260928.

The spelling of 12069838 in words is "twelve million, sixty-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 11 22 548629 1097258 6034919 12069838