13191893 has 8 divisors (see below), whose sum is σ = 15498336. Its totient is φ = 11070000.

The previous prime is 13191887. The next prime is 13191901. The reversal of 13191893 is 39819131.

13191893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13191893 - 2⁸ = 13191637 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 (13191883) 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, 45983 + ... + 46268.

It is an arithmetic number, because the mean of its divisors is an integer number (1937292).

Almost surely, 2^13191893 is an apocalyptic number.

13191893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13191893 is a deficient number, since it is larger than the sum of its proper divisors (2306443).

13191893 is a wasteful number, since it uses less digits than its factorization.

13191893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92275.

The product of its digits is 5832, while the sum is 35.

The square root of 13191893 is about 3632.0645644041. The cubic root of 13191893 is about 236.2847575374.

The spelling of 13191893 in words is "thirteen million, one hundred ninety-one thousand, eight hundred ninety-three".