13303197 has 20 divisors (see below), whose sum is σ = 21043836. Its totient is φ = 8346240.

The previous prime is 13303193. The next prime is 13303207. The reversal of 13303197 is 79130331.

It can be written as a sum of positive squares in 2 ways, for example, as 3606201 + 9696996 = 1899^2 + 3114^2 .

It is not a de Polignac number, because 13303197 - 2² = 13303193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13303197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303193) 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, 3454 + ... + 6207.

Almost surely, 2^13303197 is an apocalyptic number.

13303197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13303197 is a deficient number, since it is larger than the sum of its proper divisors (7740639).

13303197 is an equidigital number, since it uses as much as digits as its factorization.

13303197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9690 (or 9681 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 13303197 is about 3647.3547949164. The cubic root of 13303197 is about 236.9474326611.

The spelling of 13303197 in words is "thirteen million, three hundred three thousand, one hundred ninety-seven".