13022405 has 8 divisors (see below), whose sum is σ = 17047584. Its totient is φ = 9470800.

The previous prime is 13022389. The next prime is 13022413. The reversal of 13022405 is 50422031.

13022405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13022405 - 2⁴ = 13022389 is a prime.

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, 118331 + ... + 118440.

It is an arithmetic number, because the mean of its divisors is an integer number (2130948).

Almost surely, 2^13022405 is an apocalyptic number.

It is an amenable number.

13022405 is a deficient number, since it is larger than the sum of its proper divisors (4025179).

13022405 is a wasteful number, since it uses less digits than its factorization.

13022405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236787.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13022405 is about 3608.6569523855. The cubic root of 13022405 is about 235.2684724072.

Adding to 13022405 its reverse (50422031), we get a palindrome (63444436).

The spelling of 13022405 in words is "thirteen million, twenty-two thousand, four hundred five".