11989929 has 8 divisors (see below), whose sum is σ = 18270400. Its totient is φ = 6851376.

The previous prime is 11989927. The next prime is 11989951. The reversal of 11989929 is 92998911.

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

It is not a de Polignac number, because 11989929 - 2¹ = 11989927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11989927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285454 + ... + 285495.

It is an arithmetic number, because the mean of its divisors is an integer number (2283800).

Almost surely, 2^11989929 is an apocalyptic number.

It is an amenable number.

11989929 is a deficient number, since it is larger than the sum of its proper divisors (6280471).

11989929 is an equidigital number, since it uses as much as digits as its factorization.

11989929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570959.

The product of its digits is 104976, while the sum is 48.

The square root of 11989929 is about 3462.6476863810. The cubic root of 11989929 is about 228.8787838234.

The spelling of 11989929 in words is "eleven million, nine hundred eighty-nine thousand, nine hundred twenty-nine".