11829812 has 24 divisors (see below), whose sum is σ = 21623112. Its totient is φ = 5657600.

The previous prime is 11829809. The next prime is 11829833. The reversal of 11829812 is 21892811.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 11806096 = 154^2 + 3436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8012 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (900963).

Almost surely, 2^11829812 is an apocalyptic number.

It is an amenable number.

11829812 is a deficient number, since it is larger than the sum of its proper divisors (9793300).

11829812 is a wasteful number, since it uses less digits than its factorization.

11829812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1457 counting only the distinct ones).

The product of its digits is 2304, while the sum is 32.

The square root of 11829812 is about 3439.4493745366. The cubic root of 11829812 is about 227.8553766321.

The spelling of 11829812 in words is "eleven million, eight hundred twenty-nine thousand, eight hundred twelve".