13116242 has 4 divisors (see below), whose sum is σ = 19674366. Its totient is φ = 6558120.

The previous prime is 13116239. The next prime is 13116263. The reversal of 13116242 is 24261131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12823561 + 292681 = 3581^2 + 541^2 .

It is a super-3 number, since 3×13116242³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279059 + ... + 3279062.

Almost surely, 2^13116242 is an apocalyptic number.

13116242 is a deficient number, since it is larger than the sum of its proper divisors (6558124).

13116242 is an equidigital number, since it uses as much as digits as its factorization.

13116242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558123.

The product of its digits is 288, while the sum is 20.

The square root of 13116242 is about 3621.6352660090. The cubic root of 13116242 is about 235.8322205938.

Adding to 13116242 its reverse (24261131), we get a palindrome (37377373).

The spelling of 13116242 in words is "thirteen million, one hundred sixteen thousand, two hundred forty-two".