12122413 has 4 divisors (see below), whose sum is σ = 12132000. Its totient is φ = 12112828.

The previous prime is 12122401. The next prime is 12122419. The reversal of 12122413 is 31422121.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31422121 = 43 ⋅730747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12122413 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 (12122419) 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, 2545 + ... + 5542.

It is an arithmetic number, because the mean of its divisors is an integer number (3033000).

Almost surely, 2^12122413 is an apocalyptic number.

It is an amenable number.

12122413 is a deficient number, since it is larger than the sum of its proper divisors (9587).

12122413 is an equidigital number, since it uses as much as digits as its factorization.

12122413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586.

The product of its digits is 96, while the sum is 16.

The square root of 12122413 is about 3481.7255779283. The cubic root of 12122413 is about 229.7187046287.

Adding to 12122413 its reverse (31422121), we get a palindrome (43544534).

The spelling of 12122413 in words is "twelve million, one hundred twenty-two thousand, four hundred thirteen".