11903130 has 24 divisors (see below), whose sum is σ = 30948372. Its totient is φ = 3174144.

The previous prime is 11903123. The next prime is 11903149. The reversal of 11903130 is 3130911.

It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 471969 = 3381^2 + 687^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66039 + ... + 66218.

Almost surely, 2^11903130 is an apocalyptic number.

11903130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11903130 is an abundant number, since it is smaller than the sum of its proper divisors (19045242).

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

11903130 is a wasteful number, since it uses less digits than its factorization.

11903130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132270 (or 132267 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 11903130 is about 3450.0913031397. The cubic root of 11903130 is about 228.3251363081.

The spelling of 11903130 in words is "eleven million, nine hundred three thousand, one hundred thirty".