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12906708 = 2234325013
BaseRepresentation
bin110001001111…
…000011010100
3220021201200020
4301033003110
511301003313
61140345140
7214463613
oct61170324
926251606
1012906708
117316001
1243a51b0
13289b909
1419dd87a
1511ee323
hexc4f0d4

12906708 has 24 divisors (see below), whose sum is σ = 30817248. Its totient is φ = 4202016.

The previous prime is 12906697. The next prime is 12906709. The reversal of 12906708 is 80760921.

It is a super-2 number, since 2×129067082 = 333166222794528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12906709) 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, 11991 + ... + 13022.

It is an arithmetic number, because the mean of its divisors is an integer number (1284052).

Almost surely, 212906708 is an apocalyptic number.

It is an amenable number.

12906708 is an abundant number, since it is smaller than the sum of its proper divisors (17910540).

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

12906708 is a wasteful number, since it uses less digits than its factorization.

12906708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25063 (or 25061 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12906708 is about 3592.5907086669. The cubic root of 12906708 is about 234.5696545385.

Subtracting from 12906708 its product of nonzero digits (6048), we obtain a triangular number (12900660 = T5079).

The spelling of 12906708 in words is "twelve million, nine hundred six thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 25013 50026 75039 100052 150078 300156 1075559 2151118 3226677 4302236 6453354 12906708