13131371 has 4 divisors (see below), whose sum is σ = 14325144. Its totient is φ = 11937600.

The previous prime is 13131359. The next prime is 13131373. The reversal of 13131371 is 17313131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17313131 = 11 ⋅1573921.

It is a cyclic number.

It is not a de Polignac number, because 13131371 - 2¹⁴ = 13114987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131373) 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 3 ways as a sum of consecutive naturals, for example, 596870 + ... + 596891.

It is an arithmetic number, because the mean of its divisors is an integer number (3581286).

Almost surely, 2^13131371 is an apocalyptic number.

13131371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13131371 is a deficient number, since it is larger than the sum of its proper divisors (1193773).

13131371 is a wasteful number, since it uses less digits than its factorization.

13131371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193772.

The product of its digits is 189, while the sum is 20.

The square root of 13131371 is about 3623.7233614061. The cubic root of 13131371 is about 235.9228597351.

The spelling of 13131371 in words is "thirteen million, one hundred thirty-one thousand, three hundred seventy-one".