12422004 has 24 divisors (see below), whose sum is σ = 33125568. Its totient is φ = 3549120.

The previous prime is 12421987. The next prime is 12422009. The reversal of 12422004 is 40022421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73857 + ... + 74024.

It is an arithmetic number, because the mean of its divisors is an integer number (1380232).

Almost surely, 2^12422004 is an apocalyptic number.

12422004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12422004 is an abundant number, since it is smaller than the sum of its proper divisors (20703564).

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

12422004 is a wasteful number, since it uses less digits than its factorization.

12422004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147895 (or 147893 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 12422004 is about 3524.4863455545. The cubic root of 12422004 is about 231.5957337368.

Adding to 12422004 its reverse (40022421), we get a palindrome (52444425).

The spelling of 12422004 in words is "twelve million, four hundred twenty-two thousand, four".