13087197 has 16 divisors (see below), whose sum is σ = 19802880. Its totient is φ = 8538336.

The previous prime is 13087189. The next prime is 13087213. The reversal of 13087197 is 79178031.

It is not a de Polignac number, because 13087197 - 2³ = 13087189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13087157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3888 + ... + 6425.

It is an arithmetic number, because the mean of its divisors is an integer number (1237680).

Almost surely, 2^13087197 is an apocalyptic number.

It is an amenable number.

13087197 is a deficient number, since it is larger than the sum of its proper divisors (6715683).

13087197 is a wasteful number, since it uses less digits than its factorization.

13087197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369 (or 10363 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 13087197 is about 3617.6231146984. The cubic root of 13087197 is about 235.6580139582.

The spelling of 13087197 in words is "thirteen million, eighty-seven thousand, one hundred ninety-seven".