13391542 has 8 divisors (see below), whose sum is σ = 21144600. Its totient is φ = 6343344.

The previous prime is 13391531. The next prime is 13391549. The reversal of 13391542 is 24519331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13391542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391549) 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, 176167 + ... + 176242.

It is an arithmetic number, because the mean of its divisors is an integer number (2643075).

Almost surely, 2^13391542 is an apocalyptic number.

13391542 is a deficient number, since it is larger than the sum of its proper divisors (7753058).

13391542 is a wasteful number, since it uses less digits than its factorization.

13391542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352430.

The product of its digits is 3240, while the sum is 28.

The square root of 13391542 is about 3659.4455864243. The cubic root of 13391542 is about 237.4707893899.

The spelling of 13391542 in words is "thirteen million, three hundred ninety-one thousand, five hundred forty-two".