12583145 has 16 divisors (see below), whose sum is σ = 16424208. Its totient is φ = 9216000.

The previous prime is 12583121. The next prime is 12583157. The reversal of 12583145 is 54138521.

It can be written as a sum of positive squares in 8 ways, for example, as 1936 + 12581209 = 44^2 + 3547^2 .

It is not a de Polignac number, because 12583145 - 2¹⁴ = 12566761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (1026513).

Almost surely, 2^12583145 is an apocalyptic number.

It is an amenable number.

12583145 is a deficient number, since it is larger than the sum of its proper divisors (3841063).

12583145 is a wasteful number, since it uses less digits than its factorization.

12583145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060.

The product of its digits is 4800, while the sum is 29.

The square root of 12583145 is about 3547.2728961838. The cubic root of 12583145 is about 232.5928715192.

The spelling of 12583145 in words is "twelve million, five hundred eighty-three thousand, one hundred forty-five".