11917425 has 48 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 5514240.

The previous prime is 11917417. The next prime is 11917439. The reversal of 11917425 is 52471911.

It is not a de Polignac number, because 11917425 - 2³ = 11917417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11917392 and 11917401.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 16216 + ... + 16934.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^11917425 is an apocalyptic number.

11917425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11917425 is a deficient number, since it is larger than the sum of its proper divisors (10581135).

11917425 is a wasteful number, since it uses less digits than its factorization.

11917425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 757 counting only the distinct ones).

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

The square root of 11917425 is about 3452.1623658223. The cubic root of 11917425 is about 228.4165016913.

The spelling of 11917425 in words is "eleven million, nine hundred seventeen thousand, four hundred twenty-five".