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12886022 = 26443011
BaseRepresentation
bin110001001010…
…000000000110
3220020200022002
4301022000012
511244323042
61140105302
7214346402
oct61120006
926220262
1012886022
117301506
124395232
132892386
1419d6102
1511e8132
hexc4a006

12886022 has 4 divisors (see below), whose sum is σ = 19329036. Its totient is φ = 6443010.

The previous prime is 12886019. The next prime is 12886061. The reversal of 12886022 is 22068821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22068821 = 75729153.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221504 + ... + 3221507.

It is an arithmetic number, because the mean of its divisors is an integer number (4832259).

Almost surely, 212886022 is an apocalyptic number.

12886022 is a deficient number, since it is larger than the sum of its proper divisors (6443014).

12886022 is an equidigital number, since it uses as much as digits as its factorization.

12886022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443013.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 12886022 is about 3589.7105732914. The cubic root of 12886022 is about 234.4442700614. Note that the first 3 decimals are identical.

The spelling of 12886022 in words is "twelve million, eight hundred eighty-six thousand, twenty-two".

Divisors: 1 2 6443011 12886022