11308913 has 16 divisors (see below), whose sum is σ = 14183424. Its totient is φ = 8759760.

The previous prime is 11308909. The next prime is 11308991. The reversal of 11308913 is 31980311.

It is a cyclic number.

It is not a de Polignac number, because 11308913 - 2² = 11308909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11308903) 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 15 ways as a sum of consecutive naturals, for example, 17156 + ... + 17802.

It is an arithmetic number, because the mean of its divisors is an integer number (886464).

Almost surely, 2^11308913 is an apocalyptic number.

It is an amenable number.

11308913 is a deficient number, since it is larger than the sum of its proper divisors (2874511).

11308913 is a wasteful number, since it uses less digits than its factorization.

11308913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 11308913 is about 3362.8727302710. The cubic root of 11308913 is about 224.4606869288.

It can be divided in two parts, 11308 and 913, that added together give a palindrome (12221).

The spelling of 11308913 in words is "eleven million, three hundred eight thousand, nine hundred thirteen".