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12126883 = 19787811
BaseRepresentation
bin101110010000…
…101010100011
3211211002221211
4232100222203
511101030013
61111530551
7205035226
oct56205243
924732854
1012126883
11693311a
124089a57
132687992
1418795bd
1510e823d
hexb90aa3

12126883 has 8 divisors (see below), whose sum is σ = 12797120. Its totient is φ = 11459880.

The previous prime is 12126869. The next prime is 12126887. The reversal of 12126883 is 38862121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12126883 is a prime.

It is a super-2 number, since 2×121268832 = 294122582591378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12126887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14548 + ... + 15358.

It is an arithmetic number, because the mean of its divisors is an integer number (1599640).

Almost surely, 212126883 is an apocalyptic number.

12126883 is a deficient number, since it is larger than the sum of its proper divisors (670237).

12126883 is an equidigital number, since it uses as much as digits as its factorization.

12126883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617.

The product of its digits is 4608, while the sum is 31.

The square root of 12126883 is about 3482.3674418418. The cubic root of 12126883 is about 229.7469365333.

The spelling of 12126883 in words is "twelve million, one hundred twenty-six thousand, eight hundred eighty-three".

Divisors: 1 19 787 811 14953 15409 638257 12126883