12415213 has 4 divisors (see below), whose sum is σ = 12464928. Its totient is φ = 12365500.

The previous prime is 12415211. The next prime is 12415217. The reversal of 12415213 is 31251421.

12415213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12415213 - 2¹ = 12415211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12415211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24481 + ... + 24982.

It is an arithmetic number, because the mean of its divisors is an integer number (3116232).

Almost surely, 2^12415213 is an apocalyptic number.

It is an amenable number.

12415213 is a deficient number, since it is larger than the sum of its proper divisors (49715).

12415213 is an equidigital number, since it uses as much as digits as its factorization.

12415213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49714.

The product of its digits is 240, while the sum is 19.

The square root of 12415213 is about 3523.5228110515. The cubic root of 12415213 is about 231.5535222621.

Adding to 12415213 its reverse (31251421), we get a palindrome (43666634).

The spelling of 12415213 in words is "twelve million, four hundred fifteen thousand, two hundred thirteen".