12426005 has 16 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 9672000.

The previous prime is 12425999. The next prime is 12426041. The reversal of 12426005 is 50062421.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12426005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39800 + ... + 40110.

It is an arithmetic number, because the mean of its divisors is an integer number (957528).

Almost surely, 2^12426005 is an apocalyptic number.

It is an amenable number.

12426005 is a deficient number, since it is larger than the sum of its proper divisors (2894443).

12426005 is a wasteful number, since it uses less digits than its factorization.

12426005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12426005 is about 3525.0539002971. The cubic root of 12426005 is about 231.6205959373.

Adding to 12426005 its reverse (50062421), we get a palindrome (62488426).

The spelling of 12426005 in words is "twelve million, four hundred twenty-six thousand, five".