12252818 has 16 divisors (see below), whose sum is σ = 19545624. Its totient is φ = 5740800.

The previous prime is 12252811. The next prime is 12252827. The reversal of 12252818 is 81825221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5987809 + 6265009 = 2447^2 + 2503^2 .

It is a super-4 number, since 4×12252818⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12252811) 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, 8768 + ... + 10068.

Almost surely, 2^12252818 is an apocalyptic number.

12252818 is a deficient number, since it is larger than the sum of its proper divisors (7292806).

12252818 is a wasteful number, since it uses less digits than its factorization.

12252818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its digits is 2560, while the sum is 29.

The square root of 12252818 is about 3500.4025482793. The cubic root of 12252818 is about 230.5394897231.

The spelling of 12252818 in words is "twelve million, two hundred fifty-two thousand, eight hundred eighteen".