12345412 has 6 divisors (see below), whose sum is σ = 21604478. Its totient is φ = 6172704.

The previous prime is 12345397. The next prime is 12345413. The reversal of 12345412 is 21454321.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 4426816 = 2814^2 + 2104^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12345413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1543173 + ... + 1543180.

Almost surely, 2^12345412 is an apocalyptic number.

It is an amenable number.

12345412 is a deficient number, since it is larger than the sum of its proper divisors (9259066).

12345412 is a wasteful number, since it uses less digits than its factorization.

12345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086357 (or 3086355 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 12345412 is about 3513.6038479032. The cubic root of 12345412 is about 231.1187585473.

Adding to 12345412 its reverse (21454321), we get a palindrome (33799733).

The spelling of 12345412 in words is "twelve million, three hundred forty-five thousand, four hundred twelve".