12775529 has 8 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 11766096.

The previous prime is 12775519. The next prime is 12775537. The reversal of 12775529 is 92557721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12775529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12775492 and 12775501.

It is not an unprimeable number, because it can be changed into a prime (12775519) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7082 + ... + 8700.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^12775529 is an apocalyptic number.

It is an amenable number.

12775529 is a deficient number, since it is larger than the sum of its proper divisors (1013911).

12775529 is a wasteful number, since it uses less digits than its factorization.

12775529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239.

The product of its digits is 44100, while the sum is 38.

The square root of 12775529 is about 3574.2872016669. The cubic root of 12775529 is about 233.7722538794.

The spelling of 12775529 in words is "twelve million, seven hundred seventy-five thousand, five hundred twenty-nine".