13197735 has 20 divisors (see below), whose sum is σ = 23658888. Its totient is φ = 7038576.

The previous prime is 13197733. The next prime is 13197739. The reversal of 13197735 is 53779131.

13197735 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13197735 - 2¹ = 13197733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13197735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13197731) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15889 + ... + 16698.

Almost surely, 2^13197735 is an apocalyptic number.

13197735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13197735 is a deficient number, since it is larger than the sum of its proper divisors (10461153).

13197735 is an equidigital number, since it uses as much as digits as its factorization.

13197735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32604 (or 32595 counting only the distinct ones).

The product of its digits is 19845, while the sum is 36.

The square root of 13197735 is about 3632.8687011782. The cubic root of 13197735 is about 236.3196317802.

The spelling of 13197735 in words is "thirteen million, one hundred ninety-seven thousand, seven hundred thirty-five".