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12939702 = 232156617
BaseRepresentation
bin110001010111…
…000110110110
3220100101221020
4301113012312
511303032302
61141202010
7214662036
oct61270666
926311836
1012939702
117338876
124400306
1328b0939
141a0b8c6
151208ebc
hexc571b6

12939702 has 8 divisors (see below), whose sum is σ = 25879416. Its totient is φ = 4313232.

The previous prime is 12939701. The next prime is 12939709. The reversal of 12939702 is 20793921.

It is a sphenic number, since it is the product of 3 distinct primes.

12939702 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939701) 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 3 ways as a sum of consecutive naturals, for example, 1078303 + ... + 1078314.

It is an arithmetic number, because the mean of its divisors is an integer number (3234927).

Almost surely, 212939702 is an apocalyptic number.

12939702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12939702 is a wasteful number, since it uses less digits than its factorization.

12939702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156622.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12939702 is about 3597.1797286207. The cubic root of 12939702 is about 234.7693647894.

The spelling of 12939702 in words is "twelve million, nine hundred thirty-nine thousand, seven hundred two".

Divisors: 1 2 3 6 2156617 4313234 6469851 12939702