13922004 has 12 divisors (see below), whose sum is σ = 32484704. Its totient is φ = 4640664.

The previous prime is 13921979. The next prime is 13922017. The reversal of 13922004 is 40022931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580072 + ... + 580095.

Almost surely, 2^13922004 is an apocalyptic number.

It is an amenable number.

13922004 is an abundant number, since it is smaller than the sum of its proper divisors (18562700).

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

13922004 is a wasteful number, since it uses less digits than its factorization.

13922004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160174 (or 1160172 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13922004 is about 3731.2201757602. The cubic root of 13922004 is about 240.5658177722.

Adding to 13922004 its reverse (40022931), we get a palindrome (53944935).

The spelling of 13922004 in words is "thirteen million, nine hundred twenty-two thousand, four".