13006542 has 16 divisors (see below), whose sum is σ = 26440272. Its totient is φ = 4264320.

The previous prime is 13006541. The next prime is 13006559. The reversal of 13006542 is 24560031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17403 + ... + 18134.

It is an arithmetic number, because the mean of its divisors is an integer number (1652517).

Almost surely, 2^13006542 is an apocalyptic number.

13006542 is an abundant number, since it is smaller than the sum of its proper divisors (13433730).

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

13006542 is a wasteful number, since it uses less digits than its factorization.

13006542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35603.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13006542 is about 3606.4583735294. The cubic root of 13006542 is about 235.1729042899.

Adding to 13006542 its reverse (24560031), we get a palindrome (37566573).

The spelling of 13006542 in words is "thirteen million, six thousand, five hundred forty-two".