13345642 has 8 divisors (see below), whose sum is σ = 20037600. Its totient is φ = 6666444.

The previous prime is 13345621. The next prime is 13345643. The reversal of 13345642 is 24654331.

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 13345642.

It is not an unprimeable number, because it can be changed into a prime (13345643) 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, 109 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (2504700).

Almost surely, 2^13345642 is an apocalyptic number.

13345642 is a deficient number, since it is larger than the sum of its proper divisors (6691958).

13345642 is a wasteful number, since it uses less digits than its factorization.

13345642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380.

The product of its digits is 8640, while the sum is 28.

The square root of 13345642 is about 3653.1687615001. The cubic root of 13345642 is about 237.1991655476.

Adding to 13345642 its reverse (24654331), we get a palindrome (37999973).

The spelling of 13345642 in words is "thirteen million, three hundred forty-five thousand, six hundred forty-two".