11829818 has 64 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 4017600.

The previous prime is 11829809. The next prime is 11829833. The reversal of 11829818 is 81892811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37883 + ... + 38193.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

Almost surely, 2^11829818 is an apocalyptic number.

11829818 is an abundant number, since it is smaller than the sum of its proper divisors (13329862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11829818 is a wasteful number, since it uses less digits than its factorization.

11829818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its digits is 9216, while the sum is 38.

The square root of 11829818 is about 3439.4502467691. The cubic root of 11829818 is about 227.8554151544.

The spelling of 11829818 in words is "eleven million, eight hundred twenty-nine thousand, eight hundred eighteen".