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12693126 = 232972949
BaseRepresentation
bin110000011010…
…111010000110
3212212212200210
4300122322012
511222140001
61132020250
7212614125
oct60327206
925785623
1012693126
11718a596
124301686
132825634
141985abc
1511aadd6
hexc1ae86

12693126 has 16 divisors (see below), whose sum is σ = 26262000. Its totient is φ = 4085088.

The previous prime is 12693113. The next prime is 12693133. The reversal of 12693126 is 62139621.

It is a super-2 number, since 2×126931262 = 322230895303752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12693093 and 12693102.

It is a congruent number.

It is an unprimeable number.

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, 36301 + ... + 36648.

It is an arithmetic number, because the mean of its divisors is an integer number (1641375).

Almost surely, 212693126 is an apocalyptic number.

12693126 is an abundant number, since it is smaller than the sum of its proper divisors (13568874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12693126 is a wasteful number, since it uses less digits than its factorization.

12693126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72983.

The product of its digits is 3888, while the sum is 30.

The square root of 12693126 is about 3562.7413602449. The cubic root of 12693126 is about 233.2685538993.

The spelling of 12693126 in words is "twelve million, six hundred ninety-three thousand, one hundred twenty-six".

Divisors: 1 2 3 6 29 58 87 174 72949 145898 218847 437694 2115521 4231042 6346563 12693126