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12901706 = 239716249
BaseRepresentation
bin110001001101…
…110101001010
3220021110210222
4301031311022
511300323311
61140310042
7214443206
oct61156512
926243728
1012901706
117312274
1243a2322
13289955c
1419dbb06
1511ecadb
hexc4dd4a

12901706 has 8 divisors (see below), whose sum is σ = 19402500. Its totient is φ = 6434208.

The previous prime is 12901699. The next prime is 12901709. The reversal of 12901706 is 60710921.

12901706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12666481 + 235225 = 3559^2 + 485^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12901709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7331 + ... + 8918.

Almost surely, 212901706 is an apocalyptic number.

12901706 is a deficient number, since it is larger than the sum of its proper divisors (6500794).

12901706 is a wasteful number, since it uses less digits than its factorization.

12901706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16648.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 12901706 is about 3591.8944862008. The cubic root of 12901706 is about 234.5393481010.

The spelling of 12901706 in words is "twelve million, nine hundred one thousand, seven hundred six".

Divisors: 1 2 397 794 16249 32498 6450853 12901706