12618252 has 36 divisors (see below), whose sum is σ = 32039280. Its totient is φ = 4187232.

The previous prime is 12618251. The next prime is 12618253. The reversal of 12618252 is 25281621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12618251) and next prime (12618253).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (12618251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9033 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (889980).

Almost surely, 2^12618252 is an apocalyptic number.

12618252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12618252 is an abundant number, since it is smaller than the sum of its proper divisors (19421028).

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

12618252 is a wasteful number, since it uses less digits than its factorization.

12618252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1577 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 12618252 is about 3552.2178987219. The cubic root of 12618252 is about 232.8089821879.

Adding to 12618252 its reverse (25281621), we get a palindrome (37899873).

The spelling of 12618252 in words is "twelve million, six hundred eighteen thousand, two hundred fifty-two".