12427755 has 8 divisors (see below), whose sum is σ = 19884432. Its totient is φ = 6628128.

The previous prime is 12427741. The next prime is 12427759. The reversal of 12427755 is 55772421.

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

It is not a de Polignac number, because 12427755 - 2²¹ = 10330603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12427759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414244 + ... + 414273.

It is an arithmetic number, because the mean of its divisors is an integer number (2485554).

Almost surely, 2^12427755 is an apocalyptic number.

12427755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12427755 is a deficient number, since it is larger than the sum of its proper divisors (7456677).

12427755 is an equidigital number, since it uses as much as digits as its factorization.

12427755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828525.

The product of its digits is 19600, while the sum is 33.

The square root of 12427755 is about 3525.3021147130. The cubic root of 12427755 is about 231.6314687538.

The spelling of 12427755 in words is "twelve million, four hundred twenty-seven thousand, seven hundred fifty-five".