12783025 has 12 divisors (see below), whose sum is σ = 15910812. Its totient is φ = 10187840.

The previous prime is 12783011. The next prime is 12783037. The reversal of 12783025 is 52038721.

It can be written as a sum of positive squares in 6 ways, for example, as 1520289 + 11262736 = 1233^2 + 3356^2 .

It is not a de Polignac number, because 12783025 - 2⁵ = 12782993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12782984 and 12783002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7119 + ... + 8731.

It is an arithmetic number, because the mean of its divisors is an integer number (1325901).

Almost surely, 2^12783025 is an apocalyptic number.

It is an amenable number.

12783025 is a deficient number, since it is larger than the sum of its proper divisors (3127787).

12783025 is a wasteful number, since it uses less digits than its factorization.

12783025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1935 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12783025 is about 3575.3356485790. The cubic root of 12783025 is about 233.8179666427.

The spelling of 12783025 in words is "twelve million, seven hundred eighty-three thousand, twenty-five".