13404413 has 4 divisors (see below), whose sum is σ = 14623008. Its totient is φ = 12185820.

The previous prime is 13404407. The next prime is 13404427. The reversal of 13404413 is 31440431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31440431 = 11 ⋅2858221.

It is a cyclic number.

It is not a de Polignac number, because 13404413 - 2¹⁴ = 13388029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404403) 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, 609281 + ... + 609302.

It is an arithmetic number, because the mean of its divisors is an integer number (3655752).

Almost surely, 2^13404413 is an apocalyptic number.

It is an amenable number.

13404413 is a deficient number, since it is larger than the sum of its proper divisors (1218595).

13404413 is a wasteful number, since it uses less digits than its factorization.

13404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218594.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13404413 is about 3661.2037637914. The cubic root of 13404413 is about 237.5468450532.

Adding to 13404413 its reverse (31440431), we get a palindrome (44844844).

The spelling of 13404413 in words is "thirteen million, four hundred four thousand, four hundred thirteen".