13029705 has 24 divisors (see below), whose sum is σ = 24323208. Its totient is φ = 6414336.

The previous prime is 13029683. The next prime is 13029713. The reversal of 13029705 is 50792031.

It can be written as a sum of positive squares in 4 ways, for example, as 751689 + 12278016 = 867^2 + 3504^2 .

It is not a de Polignac number, because 13029705 - 2⁸ = 13029449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10552 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (1013467).

Almost surely, 2^13029705 is an apocalyptic number.

13029705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13029705 is a deficient number, since it is larger than the sum of its proper divisors (11293503).

13029705 is a wasteful number, since it uses less digits than its factorization.

13029705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22297 (or 22294 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 13029705 is about 3609.6682673066. The cubic root of 13029705 is about 235.3124258609.

The spelling of 13029705 in words is "thirteen million, twenty-nine thousand, seven hundred five".