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12444937 = 83149939
BaseRepresentation
bin101111011110…
…010100001001
3212102021020121
4233132110021
511141214222
61122423241
7210531421
oct57362411
925367217
1012444937
11703007a
124201b21
13276968b
14191d481
15115c5c7
hexbde509

12444937 has 4 divisors (see below), whose sum is σ = 12594960. Its totient is φ = 12294916.

The previous prime is 12444911. The next prime is 12444941. The reversal of 12444937 is 73944421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12444937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444037) 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, 74887 + ... + 75052.

It is an arithmetic number, because the mean of its divisors is an integer number (3148740).

Almost surely, 212444937 is an apocalyptic number.

It is an amenable number.

12444937 is a deficient number, since it is larger than the sum of its proper divisors (150023).

12444937 is an equidigital number, since it uses as much as digits as its factorization.

12444937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150022.

The product of its digits is 24192, while the sum is 34.

The square root of 12444937 is about 3527.7382272499. The cubic root of 12444937 is about 231.7381670049.

The spelling of 12444937 in words is "twelve million, four hundred forty-four thousand, nine hundred thirty-seven".

Divisors: 1 83 149939 12444937