11697925 has 12 divisors (see below), whose sum is σ = 14691520. Its totient is φ = 9238320.

The previous prime is 11697919. The next prime is 11697929. The reversal of 11697925 is 52979611.

It is not a de Polignac number, because 11697925 - 2¹⁹ = 11173637 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11697929) 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 11 ways as a sum of consecutive naturals, for example, 987 + ... + 4936.

Almost surely, 2^11697925 is an apocalyptic number.

11697925 is the 1975-th octagonal number.

It is an amenable number.

11697925 is a deficient number, since it is larger than the sum of its proper divisors (2993595).

11697925 is an equidigital number, since it uses as much as digits as its factorization.

11697925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012 (or 6007 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 11697925 is about 3420.2229459496. Note that the first 3 decimals coincide. The cubic root of 11697925 is about 227.0054466404.

The spelling of 11697925 in words is "eleven million, six hundred ninety-seven thousand, nine hundred twenty-five".