12056755 has 4 divisors (see below), whose sum is σ = 14468112. Its totient is φ = 9645400.

The previous prime is 12056749. The next prime is 12056771. The reversal of 12056755 is 55765021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55765021 = 13 ⋅4289617.

It is not a de Polignac number, because 12056755 - 2⁹ = 12056243 is a prime.

It is a super-2 number, since 2×12056755² = 290730682260050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205671 + ... + 1205680.

It is an arithmetic number, because the mean of its divisors is an integer number (3617028).

Almost surely, 2^12056755 is an apocalyptic number.

12056755 is a deficient number, since it is larger than the sum of its proper divisors (2411357).

12056755 is an equidigital number, since it uses as much as digits as its factorization.

12056755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411356.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 12056755 is about 3472.2838305645. The cubic root of 12056755 is about 229.3032157376.

The spelling of 12056755 in words is "twelve million, fifty-six thousand, seven hundred fifty-five".