13336642 has 16 divisors (see below), whose sum is σ = 22773312. Its totient is φ = 5798320.

The previous prime is 13336621. The next prime is 13336643. The reversal of 13336642 is 24663331.

It is a self number, because there is not a number n which added to its sum of digits gives 13336642.

It is not an unprimeable number, because it can be changed into a prime (13336643) 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, 12673 + ... + 13684.

It is an arithmetic number, because the mean of its divisors is an integer number (1423332).

Almost surely, 2^13336642 is an apocalyptic number.

13336642 is a deficient number, since it is larger than the sum of its proper divisors (9436670).

13336642 is a wasteful number, since it uses less digits than its factorization.

13336642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26393.

The product of its digits is 7776, while the sum is 28.

The square root of 13336642 is about 3651.9367464402. The cubic root of 13336642 is about 237.1458329677.

Adding to 13336642 its reverse (24663331), we get a palindrome (37999973).

The spelling of 13336642 in words is "thirteen million, three hundred thirty-six thousand, six hundred forty-two".