12580655 has 8 divisors (see below), whose sum is σ = 15753312. Its totient is φ = 9626848.

The previous prime is 12580643. The next prime is 12580681. The reversal of 12580655 is 55608521.

12580655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12580655 - 2⁶ = 12580591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54584 + ... + 54813.

It is an arithmetic number, because the mean of its divisors is an integer number (1969164).

Almost surely, 2^12580655 is an apocalyptic number.

12580655 is a deficient number, since it is larger than the sum of its proper divisors (3172657).

12580655 is a wasteful number, since it uses less digits than its factorization.

12580655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109425.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 12580655 is about 3546.9219049762. The cubic root of 12580655 is about 232.5775283901.

The spelling of 12580655 in words is "twelve million, five hundred eighty thousand, six hundred fifty-five".