11922900 has 72 divisors (see below), whose sum is σ = 37643424. Its totient is φ = 2889600.

The previous prime is 11922893. The next prime is 11922907. The reversal of 11922900 is 922911.

It is an interprime number because it is at equal distance from previous prime (11922893) and next prime (11922907).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11922907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494 + ... + 5106.

Almost surely, 2^11922900 is an apocalyptic number.

11922900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11922900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18821712).

11922900 is an abundant number, since it is smaller than the sum of its proper divisors (25720524).

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

11922900 is a wasteful number, since it uses less digits than its factorization.

11922900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 11922900 is about 3452.9552560090. The cubic root of 11922900 is about 228.4514753786.

The spelling of 11922900 in words is "eleven million, nine hundred twenty-two thousand, nine hundred".