13197705 has 16 divisors (see below), whose sum is σ = 21197760. Its totient is φ = 7011648.

The previous prime is 13197683. The next prime is 13197707. The reversal of 13197705 is 50779131.

It is not a de Polignac number, because 13197705 - 2¹⁰ = 13196681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13197707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (1324860).

Almost surely, 2^13197705 is an apocalyptic number.

13197705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13197705 is a deficient number, since it is larger than the sum of its proper divisors (8000055).

13197705 is a wasteful number, since it uses less digits than its factorization.

13197705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 13197705 is about 3632.8645722074. The cubic root of 13197705 is about 236.3194527194.

The spelling of 13197705 in words is "thirteen million, one hundred ninety-seven thousand, seven hundred five".