13404466 has 8 divisors (see below), whose sum is σ = 21289500. Its totient is φ = 6307968.

The previous prime is 13404451. The next prime is 13404509. The reversal of 13404466 is 66440431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12453841 + 950625 = 3529^2 + 975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197091 + ... + 197158.

Almost surely, 2^13404466 is an apocalyptic number.

13404466 is a deficient number, since it is larger than the sum of its proper divisors (7885034).

13404466 is a wasteful number, since it uses less digits than its factorization.

13404466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394268.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 13404466 is about 3661.2110018408. The cubic root of 13404466 is about 237.5471581333.

Adding to 13404466 its reverse (66440431), we get a palindrome (79844897).

The spelling of 13404466 in words is "thirteen million, four hundred four thousand, four hundred sixty-six".