11912829 has 8 divisors (see below), whose sum is σ = 16719840. Its totient is φ = 7523856.

The previous prime is 11912821. The next prime is 11912839. The reversal of 11912829 is 92821911.

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

It is not a de Polignac number, because 11912829 - 2³ = 11912821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11912829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11912821) 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, 104442 + ... + 104555.

It is an arithmetic number, because the mean of its divisors is an integer number (2089980).

Almost surely, 2^11912829 is an apocalyptic number.

11912829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11912829 is a deficient number, since it is larger than the sum of its proper divisors (4807011).

11912829 is a wasteful number, since it uses less digits than its factorization.

11912829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209019.

The product of its digits is 2592, while the sum is 33.

The square root of 11912829 is about 3451.4966318975. The cubic root of 11912829 is about 228.3871346867.

The spelling of 11912829 in words is "eleven million, nine hundred twelve thousand, eight hundred twenty-nine".