11903085 has 32 divisors (see below), whose sum is σ = 21742080. Its totient is φ = 6174144.

The previous prime is 11903083. The next prime is 11903093. The reversal of 11903085 is 58030911.

11903085 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11903085 - 2¹ = 11903083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3804 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (679440).

Almost surely, 2^11903085 is an apocalyptic number.

11903085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11903085 is a deficient number, since it is larger than the sum of its proper divisors (9838995).

11903085 is a wasteful number, since it uses less digits than its factorization.

11903085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 11903085 is about 3450.0847815670. The cubic root of 11903085 is about 228.3248485786.

Adding to 11903085 its reverse (58030911), we get a palindrome (69933996).

The spelling of 11903085 in words is "eleven million, nine hundred three thousand, eighty-five".