13050905 has 12 divisors (see below), whose sum is σ = 18218340. Its totient is φ = 8949024.

The previous prime is 13050893. The next prime is 13050923. The reversal of 13050905 is 50905031.

13050905 is digitally balanced in base 3, 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 2 ways, for example, as 2637376 + 10413529 = 1624^2 + 3227^2 .

It is not a de Polignac number, because 13050905 - 2⁸ = 13050649 is a prime.

It is a super-2 number, since 2×13050905² = 340652242638050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26390 + ... + 26879.

It is an arithmetic number, because the mean of its divisors is an integer number (1518195).

Almost surely, 2^13050905 is an apocalyptic number.

It is an amenable number.

13050905 is a deficient number, since it is larger than the sum of its proper divisors (5167435).

13050905 is an equidigital number, since it uses as much as digits as its factorization.

13050905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53288 (or 53281 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 13050905 is about 3612.6036317316. The cubic root of 13050905 is about 235.4399785131.

Adding to 13050905 its reverse (50905031), we get a palindrome (63955936).

The spelling of 13050905 in words is "thirteen million, fifty thousand, nine hundred five".