12413412 has 108 divisors (see below), whose sum is σ = 36372336. Its totient is φ = 3674160.

The previous prime is 12413411. The next prime is 12413419. The reversal of 12413412 is 21431421.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12413411) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 288663 + ... + 288705.

Almost surely, 2^12413412 is an apocalyptic number.

12413412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12413412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18186168).

12413412 is an abundant number, since it is smaller than the sum of its proper divisors (23958924).

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

12413412 is an equidigital number, since it uses as much as digits as its factorization.

12413412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 59 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12413412 is about 3523.2672336909. The cubic root of 12413412 is about 231.5423250302.

Adding to 12413412 its reverse (21431421), we get a palindrome (33844833).

Subtracting 12413412 from its reverse (21431421), we obtain a square (9018009 = 3003²).

The spelling of 12413412 in words is "twelve million, four hundred thirteen thousand, four hundred twelve".