12056655 has 32 divisors (see below), whose sum is σ = 22002624. Its totient is φ = 5584896.

The previous prime is 12056647. The next prime is 12056677. The reversal of 12056655 is 55665021.

It is not a de Polignac number, because 12056655 - 2³ = 12056647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (687582).

Almost surely, 2^12056655 is an apocalyptic number.

12056655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12056655 is a deficient number, since it is larger than the sum of its proper divisors (9945969).

12056655 is a wasteful number, since it uses less digits than its factorization.

12056655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 12056655 is about 3472.2694307902. The cubic root of 12056655 is about 229.3025817808.

The spelling of 12056655 in words is "twelve million, fifty-six thousand, six hundred fifty-five".