13191242 has 8 divisors (see below), whose sum is σ = 19823232. Its totient is φ = 6583500.

The previous prime is 13191229. The next prime is 13191247. The reversal of 13191242 is 24219131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13191247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4634 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (2477904).

Almost surely, 2^13191242 is an apocalyptic number.

13191242 is a deficient number, since it is larger than the sum of its proper divisors (6631990).

13191242 is a wasteful number, since it uses less digits than its factorization.

13191242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124.

The product of its digits is 432, while the sum is 23.

The square root of 13191242 is about 3631.9749448475. The cubic root of 13191242 is about 236.2808707082.

The spelling of 13191242 in words is "thirteen million, one hundred ninety-one thousand, two hundred forty-two".