13297445 has 8 divisors (see below), whose sum is σ = 18236544. Its totient is φ = 9118224.

The previous prime is 13297441. The next prime is 13297469. The reversal of 13297445 is 54479231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13297445 - 2² = 13297441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 379927 = 13297445 / (1 + 3 + 2 + 9 + 7 + 4 + 4 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13297441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189929 + ... + 189998.

It is an arithmetic number, because the mean of its divisors is an integer number (2279568).

Almost surely, 2^13297445 is an apocalyptic number.

It is an amenable number.

13297445 is a deficient number, since it is larger than the sum of its proper divisors (4939099).

13297445 is an equidigital number, since it uses as much as digits as its factorization.

13297445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379939.

The product of its digits is 30240, while the sum is 35.

The square root of 13297445 is about 3646.5661930095. The cubic root of 13297445 is about 236.9132775100.

The spelling of 13297445 in words is "thirteen million, two hundred ninety-seven thousand, four hundred forty-five".