11613203 has 4 divisors (see below), whose sum is σ = 13272240. Its totient is φ = 9954168.

The previous prime is 11613197. The next prime is 11613221. The reversal of 11613203 is 30231611.

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

It is not a de Polignac number, because 11613203 - 2⁸ = 11612947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11613233) 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, 829508 + ... + 829521.

It is an arithmetic number, because the mean of its divisors is an integer number (3318060).

Almost surely, 2^11613203 is an apocalyptic number.

11613203 is a deficient number, since it is larger than the sum of its proper divisors (1659037).

11613203 is an equidigital number, since it uses as much as digits as its factorization.

11613203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659036.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 11613203 is about 3407.8149891096. The cubic root of 11613203 is about 226.4560907172.

Adding to 11613203 its reverse (30231611), we get a palindrome (41844814).

The spelling of 11613203 in words is "eleven million, six hundred thirteen thousand, two hundred three".