12245412 has 12 divisors (see below), whose sum is σ = 28572656. Its totient is φ = 4081800.

The previous prime is 12245399. The next prime is 12245413. The reversal of 12245412 is 21454221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12245413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510214 + ... + 510237.

Almost surely, 2^12245412 is an apocalyptic number.

12245412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12245412 is an abundant number, since it is smaller than the sum of its proper divisors (16327244).

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

12245412 is a wasteful number, since it uses less digits than its factorization.

12245412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020458 (or 1020456 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 12245412 is about 3499.3445100476. The cubic root of 12245412 is about 230.4930318505.

Adding to 12245412 its reverse (21454221), we get a palindrome (33699633).

The spelling of 12245412 in words is "twelve million, two hundred forty-five thousand, four hundred twelve".