13345405 has 8 divisors (see below), whose sum is σ = 16710912. Its totient is φ = 10212048.

The previous prime is 13345403. The next prime is 13345421. The reversal of 13345405 is 50454331.

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 13345405 - 2¹ = 13345403 is a prime.

It is a super-2 number, since 2×13345405² = 356199669228050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13345405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57909 + ... + 58138.

It is an arithmetic number, because the mean of its divisors is an integer number (2088864).

Almost surely, 2^13345405 is an apocalyptic number.

It is an amenable number.

13345405 is a deficient number, since it is larger than the sum of its proper divisors (3365507).

13345405 is a wasteful number, since it uses less digits than its factorization.

13345405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116075.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 13345405 is about 3653.1363237635. The cubic root of 13345405 is about 237.1977614304.

Adding to 13345405 its reverse (50454331), we get a palindrome (63799736).

The spelling of 13345405 in words is "thirteen million, three hundred forty-five thousand, four hundred five".