11717925 has 24 divisors (see below), whose sum is σ = 20218944. Its totient is φ = 5976960.

The previous prime is 11717921. The next prime is 11717933. The reversal of 11717925 is 52971711.

11717925 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 11717925 - 2² = 11717921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717921) 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, 1672 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (842456).

Almost surely, 2^11717925 is an apocalyptic number.

11717925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11717925 is a deficient number, since it is larger than the sum of its proper divisors (8501019).

11717925 is a wasteful number, since it uses less digits than its factorization.

11717925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829 (or 6824 counting only the distinct ones).

The product of its digits is 4410, while the sum is 33.

The square root of 11717925 is about 3423.1454833238. The cubic root of 11717925 is about 227.1347437585.

The spelling of 11717925 in words is "eleven million, seven hundred seventeen thousand, nine hundred twenty-five".