13032891 has 12 divisors (see below), whose sum is σ = 18863832. Its totient is φ = 8670816.

The previous prime is 13032889. The next prime is 13032911. The reversal of 13032891 is 19823031.

It is not a de Polignac number, because 13032891 - 2¹ = 13032889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13032391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4380 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (1571986).

Almost surely, 2^13032891 is an apocalyptic number.

13032891 is a deficient number, since it is larger than the sum of its proper divisors (5830941).

13032891 is a wasteful number, since it uses less digits than its factorization.

13032891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13032891 is about 3610.1095551243. The cubic root of 13032891 is about 235.3316036881.

The spelling of 13032891 in words is "thirteen million, thirty-two thousand, eight hundred ninety-one".