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13022706 = 239072393
BaseRepresentation
bin110001101011…
…010111110010
3220111121210110
4301223113302
511313211311
61143042150
7215456034
oct61532762
926447713
1013022706
117395174
124440356
13290c658
141a2dc54
1512238a6
hexc6b5f2

13022706 has 16 divisors (see below), whose sum is σ = 26085024. Its totient is φ = 4334304.

The previous prime is 13022701. The next prime is 13022717. The reversal of 13022706 is 60722031.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13022701) 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, 4246 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (1630314).

Almost surely, 213022706 is an apocalyptic number.

13022706 is an abundant number, since it is smaller than the sum of its proper divisors (13062318).

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

13022706 is a wasteful number, since it uses less digits than its factorization.

13022706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13022706 is about 3608.6986574110. The cubic root of 13022706 is about 235.2702850592.

Adding to 13022706 its reverse (60722031), we get a palindrome (73744737).

The spelling of 13022706 in words is "thirteen million, twenty-two thousand, seven hundred six".

Divisors: 1 2 3 6 907 1814 2393 2721 4786 5442 7179 14358 2170451 4340902 6511353 13022706