11903907 has 12 divisors (see below), whose sum is σ = 16404360. Its totient is φ = 7678080.

The previous prime is 11903887. The next prime is 11903909. The reversal of 11903907 is 70930911.

It is not a de Polignac number, because 11903907 - 2⁷ = 11903779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11903909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (1367030).

Almost surely, 2^11903907 is an apocalyptic number.

11903907 is a deficient number, since it is larger than the sum of its proper divisors (4500453).

11903907 is an equidigital number, since it uses as much as digits as its factorization.

11903907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4163 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 11903907 is about 3450.2039070177. The cubic root of 11903907 is about 228.3301043227.

The spelling of 11903907 in words is "eleven million, nine hundred three thousand, nine hundred seven".