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12444134 = 215739631
BaseRepresentation
bin101111011110…
…000111100110
3212102020010212
4233132013212
511141203014
61122415422
7210526163
oct57360746
925366125
1012444134
11702a50a
124201572
1327691c1
14191d06a
15115c23e
hexbde1e6

12444134 has 8 divisors (see below), whose sum is σ = 18785568. Its totient is φ = 6182280.

The previous prime is 12444097. The next prime is 12444137. The reversal of 12444134 is 43144421.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444137) 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, 19502 + ... + 20129.

It is an arithmetic number, because the mean of its divisors is an integer number (2348196).

Almost surely, 212444134 is an apocalyptic number.

12444134 is a deficient number, since it is larger than the sum of its proper divisors (6341434).

12444134 is a wasteful number, since it uses less digits than its factorization.

12444134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39790.

The product of its digits is 1536, while the sum is 23.

The square root of 12444134 is about 3527.6244131143. The cubic root of 12444134 is about 231.7331826553.

Adding to 12444134 its reverse (43144421), we get a palindrome (55588555).

The spelling of 12444134 in words is "twelve million, four hundred forty-four thousand, one hundred thirty-four".

Divisors: 1 2 157 314 39631 79262 6222067 12444134