13506542 has 8 divisors (see below), whose sum is σ = 23154096. Its totient is φ = 5788512.

The previous prime is 13506541. The next prime is 13506557. The reversal of 13506542 is 24560531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506541) 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, 482363 + ... + 482390.

It is an arithmetic number, because the mean of its divisors is an integer number (2894262).

Almost surely, 2^13506542 is an apocalyptic number.

13506542 is a deficient number, since it is larger than the sum of its proper divisors (9647554).

13506542 is an equidigital number, since it uses as much as digits as its factorization.

13506542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964762.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 13506542 is about 3675.1247597871. The cubic root of 13506542 is about 238.1486137236.

The spelling of 13506542 in words is "thirteen million, five hundred six thousand, five hundred forty-two".