13191064 has 24 divisors (see below), whose sum is σ = 25251660. Its totient is φ = 6460064.

The previous prime is 13191037. The next prime is 13191091. The reversal of 13191064 is 46019131.

It is an interprime number because it is at equal distance from previous prime (13191037) and next prime (13191091).

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 5 ways as a sum of consecutive naturals, for example, 22179 + ... + 22765.

Almost surely, 2^13191064 is an apocalyptic number.

It is an amenable number.

13191064 is a deficient number, since it is larger than the sum of its proper divisors (12060596).

13191064 is an equidigital number, since it uses as much as digits as its factorization.

13191064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 13191064 is about 3631.9504401905. The cubic root of 13191064 is about 236.2798079277.

The spelling of 13191064 in words is "thirteen million, one hundred ninety-one thousand, sixty-four".