11513206 has 8 divisors (see below), whose sum is σ = 17396280. Its totient is φ = 5714448.

The previous prime is 11513191. The next prime is 11513209. The reversal of 11513206 is 60231511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20736 + ... + 21283.

It is an arithmetic number, because the mean of its divisors is an integer number (2174535).

Almost surely, 2^11513206 is an apocalyptic number.

11513206 is a deficient number, since it is larger than the sum of its proper divisors (5883074).

11513206 is a wasteful number, since it uses less digits than its factorization.

11513206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42158.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11513206 is about 3393.1115513640. Note that the first 3 decimals coincide. The cubic root of 11513206 is about 225.8042395978.

Adding to 11513206 its reverse (60231511), we get a palindrome (71744717).

The spelling of 11513206 in words is "eleven million, five hundred thirteen thousand, two hundred six".