13418405 has 48 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 7701120.

The previous prime is 13418393. The next prime is 13418413. The reversal of 13418405 is 50481431.

It is not a de Polignac number, because 13418405 - 2⁶ = 13418341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34844 + ... + 35226.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 2^13418405 is an apocalyptic number.

It is an amenable number.

13418405 is a deficient number, since it is larger than the sum of its proper divisors (8644699).

13418405 is a wasteful number, since it uses less digits than its factorization.

13418405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 13418405 is about 3663.1141123367. The cubic root of 13418405 is about 237.6294695750.

Adding to 13418405 its reverse (50481431), we get a palindrome (63899836).

The spelling of 13418405 in words is "thirteen million, four hundred eighteen thousand, four hundred five".