11917225 has 12 divisors (see below), whose sum is σ = 14840320. Its totient is φ = 9493200.

The previous prime is 11917211. The next prime is 11917249. The reversal of 11917225 is 52271911.

It is not a de Polignac number, because 11917225 - 2⁷ = 11917097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11917193 and 11917202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5896 + ... + 7654.

Almost surely, 2^11917225 is an apocalyptic number.

It is an amenable number.

11917225 is a deficient number, since it is larger than the sum of its proper divisors (2923095).

11917225 is a wasteful number, since it uses less digits than its factorization.

11917225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2035 counting only the distinct ones).

The product of its digits is 1260, while the sum is 28.

The square root of 11917225 is about 3452.1333983495. The cubic root of 11917225 is about 228.4152239109.

The spelling of 11917225 in words is "eleven million, nine hundred seventeen thousand, two hundred twenty-five".