13600242 has 12 divisors (see below), whose sum is σ = 29467230. Its totient is φ = 4533408.

The previous prime is 13600229. The next prime is 13600243. The reversal of 13600242 is 24200631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13111641 + 488601 = 3621^2 + 699^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 755569 = 13600242 / (1 + 3 + 6 + 0 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (13600243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 377767 + ... + 377802.

Almost surely, 2^13600242 is an apocalyptic number.

13600242 is an abundant number, since it is smaller than the sum of its proper divisors (15866988).

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

13600242 is a wasteful number, since it uses less digits than its factorization.

13600242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755577 (or 755574 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13600242 is about 3687.8505935029. The cubic root of 13600242 is about 238.6980541758.

Adding to 13600242 its reverse (24200631), we get a palindrome (37800873).

The spelling of 13600242 in words is "thirteen million, six hundred thousand, two hundred forty-two".