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12912606 = 2327102481
BaseRepresentation
bin110001010000…
…011111011110
3220022000202200
4301100133132
511301200411
61140432330
7214520040
oct61203736
926260680
1012912606
11731a483
1243a86a6
1328a14c5
141a01a90
151200e56
hexc507de

12912606 has 24 divisors (see below), whose sum is σ = 31974384. Its totient is φ = 3689280.

The previous prime is 12912589. The next prime is 12912619. The reversal of 12912606 is 60621921.

It is a super-2 number, since 2×129126062 = 333470787422472, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12912606.

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 11 ways as a sum of consecutive naturals, for example, 51115 + ... + 51366.

It is an arithmetic number, because the mean of its divisors is an integer number (1332266).

Almost surely, 212912606 is an apocalyptic number.

12912606 is an abundant number, since it is smaller than the sum of its proper divisors (19061778).

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

12912606 is a wasteful number, since it uses less digits than its factorization.

12912606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102496 (or 102493 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12912606 is about 3593.4114710119. The cubic root of 12912606 is about 234.6053796600.

The spelling of 12912606 in words is "twelve million, nine hundred twelve thousand, six hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 102481 204962 307443 614886 717367 922329 1434734 1844658 2152101 4304202 6456303 12912606