11909030 has 32 divisors (see below), whose sum is σ = 24909120. Its totient is φ = 4014720.

The previous prime is 11909017. The next prime is 11909039. The reversal of 11909030 is 3090911.

It is a junction number, because it is equal to n+sod(n) for n = 11908987 and 11909005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11909039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2876 + ... + 5664.

It is an arithmetic number, because the mean of its divisors is an integer number (778410).

Almost surely, 2^11909030 is an apocalyptic number.

11909030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11909030 is an abundant number, since it is smaller than the sum of its proper divisors (13000090).

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

11909030 is a wasteful number, since it uses less digits than its factorization.

11909030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 11909030 is about 3450.9462470459. The cubic root of 11909030 is about 228.3628545606.

Adding to 11909030 its reverse (3090911), we get a palindrome (14999941).

The spelling of 11909030 in words is "eleven million, nine hundred nine thousand, thirty".