12122426 has 16 divisors (see below), whose sum is σ = 19588608. Its totient is φ = 5610000.

The previous prime is 12122419. The next prime is 12122443. The reversal of 12122426 is 62422121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122398 and 12122407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2825 + ... + 5676.

It is an arithmetic number, because the mean of its divisors is an integer number (1224288).

Almost surely, 2^12122426 is an apocalyptic number.

12122426 is a deficient number, since it is larger than the sum of its proper divisors (7466182).

12122426 is a wasteful number, since it uses less digits than its factorization.

12122426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557.

The product of its digits is 384, while the sum is 20.

The square root of 12122426 is about 3481.7274448182. The cubic root of 12122426 is about 229.7187867449.

Adding to 12122426 its reverse (62422121), we get a palindrome (74544547).

The spelling of 12122426 in words is "twelve million, one hundred twenty-two thousand, four hundred twenty-six".