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12709906 = 2111274549
BaseRepresentation
bin110000011111…
…000000010010
3212220201201021
4300133000102
511223204111
61132230054
7213014056
oct60370022
925821637
1012709906
1171a1160
12430b32a
132830171
14198bc66
1511b0d71
hexc1f012

12709906 has 16 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 5730480.

The previous prime is 12709903. The next prime is 12709913. The reversal of 12709906 is 60990721.

It is not an unprimeable number, because it can be changed into a prime (12709903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (1310400).

Almost surely, 212709906 is an apocalyptic number.

12709906 is a deficient number, since it is larger than the sum of its proper divisors (8256494).

12709906 is a wasteful number, since it uses less digits than its factorization.

12709906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 12709906 is about 3565.0955106420. The cubic root of 12709906 is about 233.3713003978.

The spelling of 12709906 in words is "twelve million, seven hundred nine thousand, nine hundred six".

Divisors: 1 2 11 22 127 254 1397 2794 4549 9098 50039 100078 577723 1155446 6354953 12709906