13189494 has 16 divisors (see below), whose sum is σ = 26741232. Its totient is φ = 4336128.

The previous prime is 13189483. The next prime is 13189499. The reversal of 13189494 is 49498131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13189499) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14619 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (1671327).

Almost surely, 2^13189494 is an apocalyptic number.

13189494 is an abundant number, since it is smaller than the sum of its proper divisors (13551738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13189494 is a wasteful number, since it uses less digits than its factorization.

13189494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30191.

The product of its digits is 31104, while the sum is 39.

The square root of 13189494 is about 3631.7342964485. The cubic root of 13189494 is about 236.2704335508.

The spelling of 13189494 in words is "thirteen million, one hundred eighty-nine thousand, four hundred ninety-four".