13449404 has 12 divisors (see below), whose sum is σ = 23935800. Its totient is φ = 6610608.

The previous prime is 13449391. The next prime is 13449409. The reversal of 13449404 is 40494431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13449409) by changing a digit.

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, 28259 + ... + 28730.

It is an arithmetic number, because the mean of its divisors is an integer number (1994650).

Almost surely, 2^13449404 is an apocalyptic number.

It is an amenable number.

13449404 is a deficient number, since it is larger than the sum of its proper divisors (10486396).

13449404 is a wasteful number, since it uses less digits than its factorization.

13449404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57052 (or 57050 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 13449404 is about 3667.3429073377. The cubic root of 13449404 is about 237.8123181999.

The spelling of 13449404 in words is "thirteen million, four hundred forty-nine thousand, four hundred four".