13310405 has 8 divisors (see below), whose sum is σ = 16912152. Its totient is φ = 10021888.

The previous prime is 13310387. The next prime is 13310411. The reversal of 13310405 is 50401331.

13310405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2825761 + 10484644 = 1681^2 + 3238^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13310405 - 2¹⁸ = 13048261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78212 + ... + 78381.

It is an arithmetic number, because the mean of its divisors is an integer number (2114019).

Almost surely, 2^13310405 is an apocalyptic number.

It is an amenable number.

13310405 is a deficient number, since it is larger than the sum of its proper divisors (3601747).

13310405 is a wasteful number, since it uses less digits than its factorization.

13310405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156615.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13310405 is about 3648.3427744662. The cubic root of 13310405 is about 236.9902195873.

Adding to 13310405 its reverse (50401331), we get a palindrome (63711736).

The spelling of 13310405 in words is "thirteen million, three hundred ten thousand, four hundred five".