13168997 has 4 divisors (see below), whose sum is σ = 13207296. Its totient is φ = 13130700.

The previous prime is 13168943. The next prime is 13169021. The reversal of 13168997 is 79986131.

13168997 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 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.

It is a cyclic number.

It is not a de Polignac number, because 13168997 - 2¹⁴ = 13152613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13168297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18629 + ... + 19322.

It is an arithmetic number, because the mean of its divisors is an integer number (3301824).

Almost surely, 2^13168997 is an apocalyptic number.

It is an amenable number.

13168997 is a deficient number, since it is larger than the sum of its proper divisors (38299).

13168997 is an equidigital number, since it uses as much as digits as its factorization.

13168997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38298.

The product of its digits is 81648, while the sum is 44.

The square root of 13168997 is about 3628.9112692376. The cubic root of 13168997 is about 236.1479788684.

The spelling of 13168997 in words is "thirteen million, one hundred sixty-eight thousand, nine hundred ninety-seven".