13212075591 has 64 divisors (see below), whose sum is σ = 23020462080. Its totient is φ = 7383312000.

The previous prime is 13212075563. The next prime is 13212075593. The reversal of 13212075591 is 19557021231.

It is not a de Polignac number, because 13212075591 - 2⁵ = 13212075559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212075593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6257626 + ... + 6259736.

It is an arithmetic number, because the mean of its divisors is an integer number (359694720).

Almost surely, 2^13212075591 is an apocalyptic number.

13212075591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13212075591 is a deficient number, since it is larger than the sum of its proper divisors (9808386489).

13212075591 is a wasteful number, since it uses less digits than its factorization.

13212075591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765 (or 3759 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 13212075591 in words is "thirteen billion, two hundred twelve million, seventy-five thousand, five hundred ninety-one".