13097155 has 8 divisors (see below), whose sum is σ = 16082352. Its totient is φ = 10233888.

The previous prime is 13097153. The next prime is 13097177. The reversal of 13097155 is 55179031.

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 13097155 - 2¹ = 13097153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13097153) 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, 30244 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (2010294).

Almost surely, 2^13097155 is an apocalyptic number.

13097155 is a deficient number, since it is larger than the sum of its proper divisors (2985197).

13097155 is an equidigital number, since it uses as much as digits as its factorization.

13097155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60965.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 13097155 is about 3618.9991710416. Note that the first 3 decimals coincide. The cubic root of 13097155 is about 235.7177692432.

It can be divided in two parts, 1309 and 7155, that added together give a square (8464 = 92²).

The spelling of 13097155 in words is "thirteen million, ninety-seven thousand, one hundred fifty-five".