11216929 has 2 divisors, whose sum is σ = 11216930. Its totient is φ = 11216928.

The previous prime is 11216927. The next prime is 11216951. The reversal of 11216929 is 92961211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10093329 + 1123600 = 3177^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 11216929 - 2¹ = 11216927 is a prime.

Together with 11216927, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11216929.

It is not a weakly prime, because it can be changed into another prime (11216927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608464 + 5608465.

It is an arithmetic number, because the mean of its divisors is an integer number (5608465).

Almost surely, 2^11216929 is an apocalyptic number.

It is an amenable number.

11216929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11216929 is an equidigital number, since it uses as much as digits as its factorization.

11216929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 31.

The square root of 11216929 is about 3349.1684042460. The cubic root of 11216929 is about 223.8504595547.

The spelling of 11216929 in words is "eleven million, two hundred sixteen thousand, nine hundred twenty-nine".