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12992135 = 5131011979
BaseRepresentation
bin110001100011…
…111010000111
3220110001212012
4301203322013
511311222020
61142244435
7215300642
oct61437207
926401765
1012992135
117374202
12442671b
1328cb770
141a22a59
1512197c5
hexc63e87

12992135 has 16 divisors (see below), whose sum is σ = 16964640. Its totient is φ = 9494400.

The previous prime is 12992129. The next prime is 12992137. The reversal of 12992135 is 53129921.

12992135 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12992135 - 28 = 12991879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992137) 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 15 ways as a sum of consecutive naturals, for example, 5576 + ... + 7554.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 212992135 is an apocalyptic number.

12992135 is a deficient number, since it is larger than the sum of its proper divisors (3972505).

12992135 is a wasteful number, since it uses less digits than its factorization.

12992135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098.

The product of its digits is 4860, while the sum is 32.

The square root of 12992135 is about 3604.4604311880. The cubic root of 12992135 is about 235.0860406232.

The spelling of 12992135 in words is "twelve million, nine hundred ninety-two thousand, one hundred thirty-five".

Divisors: 1 5 13 65 101 505 1313 1979 6565 9895 25727 128635 199879 999395 2598427 12992135