13422404 has 6 divisors (see below), whose sum is σ = 23489214. Its totient is φ = 6711200.

The previous prime is 13422397. The next prime is 13422419. The reversal of 13422404 is 40422431.

13422404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 6240004 = 2680^2 + 2498^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1677797 + ... + 1677804.

It is an arithmetic number, because the mean of its divisors is an integer number (3914869).

Almost surely, 2^13422404 is an apocalyptic number.

It is an amenable number.

13422404 is a deficient number, since it is larger than the sum of its proper divisors (10066810).

13422404 is a wasteful number, since it uses less digits than its factorization.

13422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355605 (or 3355603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 13422404 is about 3663.6599187152. The cubic root of 13422404 is about 237.6530736189.

Adding to 13422404 its reverse (40422431), we get a palindrome (53844835).

The spelling of 13422404 in words is "thirteen million, four hundred twenty-two thousand, four hundred four".