12609755 has 8 divisors (see below), whose sum is σ = 15501024. Its totient is φ = 9841600.

The previous prime is 12609731. The next prime is 12609757. The reversal of 12609755 is 55790621.

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

It is not a de Polignac number, because 12609755 - 2¹⁶ = 12544219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12609757) 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, 30551 + ... + 30960.

It is an arithmetic number, because the mean of its divisors is an integer number (1937628).

Almost surely, 2^12609755 is an apocalyptic number.

12609755 is a deficient number, since it is larger than the sum of its proper divisors (2891269).

12609755 is an equidigital number, since it uses as much as digits as its factorization.

12609755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61557.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 12609755 is about 3551.0216839665. The cubic root of 12609755 is about 232.7567134025.

The spelling of 12609755 in words is "twelve million, six hundred nine thousand, seven hundred fifty-five".