13193087 has 4 divisors (see below), whose sum is σ = 13887480. Its totient is φ = 12498696.

The previous prime is 13193083. The next prime is 13193101. The reversal of 13193087 is 78039131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78039131 = 1801 ⋅43331.

It is a cyclic number.

It is not a de Polignac number, because 13193087 - 2² = 13193083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13193083) 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, 347168 + ... + 347205.

It is an arithmetic number, because the mean of its divisors is an integer number (3471870).

Almost surely, 2^13193087 is an apocalyptic number.

13193087 is a deficient number, since it is larger than the sum of its proper divisors (694393).

13193087 is an equidigital number, since it uses as much as digits as its factorization.

13193087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694392.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13193087 is about 3632.2289300098. The cubic root of 13193087 is about 236.2918860441.

The spelling of 13193087 in words is "thirteen million, one hundred ninety-three thousand, eighty-seven".