13173497 has 4 divisors (see below), whose sum is σ = 13254480. Its totient is φ = 13092516.

The previous prime is 13173493. The next prime is 13173527. The reversal of 13173497 is 79437131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79437131 = 41 ⋅1937491.

It is a cyclic number.

It is not a de Polignac number, because 13173497 - 2² = 13173493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13173493) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40247 + ... + 40572.

It is an arithmetic number, because the mean of its divisors is an integer number (3313620).

Almost surely, 2^13173497 is an apocalyptic number.

It is an amenable number.

13173497 is a deficient number, since it is larger than the sum of its proper divisors (80983).

13173497 is an equidigital number, since it uses as much as digits as its factorization.

13173497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80982.

The product of its digits is 15876, while the sum is 35.

The square root of 13173497 is about 3629.5312369506. The cubic root of 13173497 is about 236.1748739788.

The spelling of 13173497 in words is "thirteen million, one hundred seventy-three thousand, four hundred ninety-seven".