12252555 has 48 divisors (see below), whose sum is σ = 24583104. Its totient is φ = 5529600.

The previous prime is 12252551. The next prime is 12252599. The reversal of 12252555 is 55525221.

It is not a de Polignac number, because 12252555 - 2² = 12252551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12252551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30355 + ... + 30755.

It is an arithmetic number, because the mean of its divisors is an integer number (512148).

Almost surely, 2^12252555 is an apocalyptic number.

12252555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12252555 is an abundant number, since it is smaller than the sum of its proper divisors (12330549).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12252555 is a wasteful number, since it uses less digits than its factorization.

12252555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 513 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 12252555 is about 3500.3649809698. The cubic root of 12252555 is about 230.5378402435.

Adding to 12252555 its reverse (55525221), we get a palindrome (67777776).

The spelling of 12252555 in words is "twelve million, two hundred fifty-two thousand, five hundred fifty-five".