13404194 has 8 divisors (see below), whose sum is σ = 21289068. Its totient is φ = 6307840.

The previous prime is 13404169. The next prime is 13404233. The reversal of 13404194 is 49140431.

It can be written as a sum of positive squares in 2 ways, for example, as 13213225 + 190969 = 3635^2 + 437^2 .

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

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

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, 197087 + ... + 197154.

Almost surely, 2^13404194 is an apocalyptic number.

13404194 is a deficient number, since it is larger than the sum of its proper divisors (7884874).

13404194 is a wasteful number, since it uses less digits than its factorization.

13404194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394260.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13404194 is about 3661.1738554731. The cubic root of 13404194 is about 237.5455513737.

The spelling of 13404194 in words is "thirteen million, four hundred four thousand, one hundred ninety-four".