12025555 has 8 divisors (see below), whose sum is σ = 14820912. Its totient is φ = 9360288.

The previous prime is 12025553. The next prime is 12025597. The reversal of 12025555 is 55552021.

It is a happy number.

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 12025555 - 2¹ = 12025553 is a prime.

It is a super-3 number, since 3×12025555³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12025553) by changing a digit.

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, 32317 + ... + 32686.

It is an arithmetic number, because the mean of its divisors is an integer number (1852614).

Almost surely, 2^12025555 is an apocalyptic number.

12025555 is a deficient number, since it is larger than the sum of its proper divisors (2795357).

12025555 is an equidigital number, since it uses as much as digits as its factorization.

12025555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65045.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 12025555 is about 3467.7881999915. The cubic root of 12025555 is about 229.1052509068.

Adding to 12025555 its reverse (55552021), we get a palindrome (67577576).

The spelling of 12025555 in words is "twelve million, twenty-five thousand, five hundred fifty-five".