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12713244 = 2231059437
BaseRepresentation
bin110000011111…
…110100011100
3212220220021220
4300133310130
511223310434
61132253340
7213026565
oct60376434
925826256
1012713244
1171a3715
124311250
13283183b
14198d16c
1511b1d49
hexc1fd1c

12713244 has 12 divisors (see below), whose sum is σ = 29664264. Its totient is φ = 4237744.

The previous prime is 12713243. The next prime is 12713249. The reversal of 12713244 is 44231721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12713243) 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, 529707 + ... + 529730.

It is an arithmetic number, because the mean of its divisors is an integer number (2472022).

Almost surely, 212713244 is an apocalyptic number.

It is an amenable number.

12713244 is an abundant number, since it is smaller than the sum of its proper divisors (16951020).

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

12713244 is a wasteful number, since it uses less digits than its factorization.

12713244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059444 (or 1059442 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 12713244 is about 3565.5636300591. The cubic root of 12713244 is about 233.3917286951.

Adding to 12713244 its reverse (44231721), we get a palindrome (56944965).

The spelling of 12713244 in words is "twelve million, seven hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1059437 2118874 3178311 4237748 6356622 12713244