11916929 has 4 divisors (see below), whose sum is σ = 11959620. Its totient is φ = 11874240.

The previous prime is 11916917. The next prime is 11916943. The reversal of 11916929 is 92961911.

11916929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8133904 + 3783025 = 2852^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 11916929 - 2²⁰ = 10868353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11916892 and 11916901.

It is not an unprimeable number, because it can be changed into a prime (11916959) 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, 20924 + ... + 21485.

It is an arithmetic number, because the mean of its divisors is an integer number (2989905).

Almost surely, 2^11916929 is an apocalyptic number.

It is an amenable number.

11916929 is a deficient number, since it is larger than the sum of its proper divisors (42691).

11916929 is an equidigital number, since it uses as much as digits as its factorization.

11916929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42690.

The product of its digits is 8748, while the sum is 38.

The square root of 11916929 is about 3452.0905260436. The cubic root of 11916929 is about 228.4133327697.

The spelling of 11916929 in words is "eleven million, nine hundred sixteen thousand, nine hundred twenty-nine".