13191045 has 48 divisors (see below), whose sum is σ = 24919488. Its totient is φ = 5940480.

The previous prime is 13191037. The next prime is 13191091. The reversal of 13191045 is 54019131.

13191045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13191045 - 2³ = 13191037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96217 + ... + 96353.

It is an arithmetic number, because the mean of its divisors is an integer number (519156).

Almost surely, 2^13191045 is an apocalyptic number.

13191045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13191045 is a deficient number, since it is larger than the sum of its proper divisors (11728443).

13191045 is a wasteful number, since it uses less digits than its factorization.

13191045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 13191045 is about 3631.9478245151. The cubic root of 13191045 is about 236.2796944843.

The spelling of 13191045 in words is "thirteen million, one hundred ninety-one thousand, forty-five".