12005355 has 8 divisors (see below), whose sum is σ = 19208592. Its totient is φ = 6402848.

The previous prime is 12005347. The next prime is 12005363. The reversal of 12005355 is 55350021.

It is an interprime number because it is at equal distance from previous prime (12005347) and next prime (12005363).

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 12005355 - 2³ = 12005347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400164 + ... + 400193.

It is an arithmetic number, because the mean of its divisors is an integer number (2401074).

Almost surely, 2^12005355 is an apocalyptic number.

12005355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12005355 is a deficient number, since it is larger than the sum of its proper divisors (7203237).

12005355 is an equidigital number, since it uses as much as digits as its factorization.

12005355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800365.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 12005355 is about 3464.8744566001. The cubic root of 12005355 is about 228.9768986949.

Adding to 12005355 its reverse (55350021), we get a palindrome (67355376).

It can be divided in two parts, 1200 and 5355, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 12005355 in words is "twelve million, five thousand, three hundred fifty-five".