11912475 has 24 divisors (see below), whose sum is σ = 20378160. Its totient is φ = 6133120.

The previous prime is 11912471. The next prime is 11912491. The reversal of 11912475 is 57421911.

It is not a de Polignac number, because 11912475 - 2² = 11912471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11912471) 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 23 ways as a sum of consecutive naturals, for example, 564 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (849090).

Almost surely, 2^11912475 is an apocalyptic number.

11912475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11912475 is a deficient number, since it is larger than the sum of its proper divisors (8465685).

11912475 is a wasteful number, since it uses less digits than its factorization.

11912475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519 (or 5514 counting only the distinct ones).

The product of its digits is 2520, while the sum is 30.

The square root of 11912475 is about 3451.4453494152. The cubic root of 11912475 is about 228.3848724240.

The spelling of 11912475 in words is "eleven million, nine hundred twelve thousand, four hundred seventy-five".