13500542 has 8 divisors (see below), whose sum is σ = 22091832. Its totient is φ = 6136600.

The previous prime is 13500493. The next prime is 13500551. The reversal of 13500542 is 24500531.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 306809 + ... + 306852.

It is an arithmetic number, because the mean of its divisors is an integer number (2761479).

Almost surely, 2^13500542 is an apocalyptic number.

13500542 is a deficient number, since it is larger than the sum of its proper divisors (8591290).

13500542 is a wasteful number, since it uses less digits than its factorization.

13500542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613674.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 13500542 is about 3674.3083702923. The cubic root of 13500542 is about 238.1133443132.

The spelling of 13500542 in words is "thirteen million, five hundred thousand, five hundred forty-two".