13405146 has 32 divisors (see below), whose sum is σ = 29885760. Its totient is φ = 3983616.

The previous prime is 13405123. The next prime is 13405151. The reversal of 13405146 is 64150431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (933930).

Almost surely, 2^13405146 is an apocalyptic number.

13405146 is an abundant number, since it is smaller than the sum of its proper divisors (16480614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13405146 is a wasteful number, since it uses less digits than its factorization.

13405146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13405146 is about 3661.3038661111. The cubic root of 13405146 is about 237.5511749373.

Adding to 13405146 its reverse (64150431), we get a palindrome (77555577).

The spelling of 13405146 in words is "thirteen million, four hundred five thousand, one hundred forty-six".