13097555 has 8 divisors (see below), whose sum is σ = 16544400. Its totient is φ = 9926496.

The previous prime is 13097551. The next prime is 13097561. The reversal of 13097555 is 55579031.

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 13097555 - 2² = 13097551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13097551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68840 + ... + 69029.

It is an arithmetic number, because the mean of its divisors is an integer number (2068050).

Almost surely, 2^13097555 is an apocalyptic number.

13097555 is a deficient number, since it is larger than the sum of its proper divisors (3446845).

13097555 is a wasteful number, since it uses less digits than its factorization.

13097555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137893.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 13097555 is about 3619.0544345174. The cubic root of 13097555 is about 235.7201689030.

The spelling of 13097555 in words is "thirteen million, ninety-seven thousand, five hundred fifty-five".