11930775 has 24 divisors (see below), whose sum is σ = 19832064. Its totient is φ = 6328800.

The previous prime is 11930773. The next prime is 11930801. The reversal of 11930775 is 57703911.

11930775 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11930775 - 2¹ = 11930773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11930773) 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, 20032 + ... + 20618.

It is an arithmetic number, because the mean of its divisors is an integer number (826336).

Almost surely, 2^11930775 is an apocalyptic number.

11930775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11930775 is a deficient number, since it is larger than the sum of its proper divisors (7901289).

11930775 is a wasteful number, since it uses less digits than its factorization.

11930775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 11930775 is about 3454.0953953242. The cubic root of 11930775 is about 228.5017612270.

The spelling of 11930775 in words is "eleven million, nine hundred thirty thousand, seven hundred seventy-five".