13405393 has 8 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 12662640.

The previous prime is 13405363. The next prime is 13405397. The reversal of 13405393 is 39350431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13405393 is a prime.

It is a super-2 number, since 2×13405393² = 359409122968898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13405397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7371 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^13405393 is an apocalyptic number.

It is an amenable number.

13405393 is a deficient number, since it is larger than the sum of its proper divisors (746927).

13405393 is a wasteful number, since it uses less digits than its factorization.

13405393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 13405393 is about 3661.3375971085. The cubic root of 13405393 is about 237.5526339486.

The spelling of 13405393 in words is "thirteen million, four hundred five thousand, three hundred ninety-three".