11967705 has 48 divisors (see below), whose sum is σ = 22404096. Its totient is φ = 5892480.

The previous prime is 11967679. The next prime is 11967707. The reversal of 11967705 is 50776911.

It is not a de Polignac number, because 11967705 - 2¹⁰ = 11966681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11967705.

It is not an unprimeable number, because it can be changed into a prime (11967707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31899 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (466752).

Almost surely, 2^11967705 is an apocalyptic number.

11967705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11967705 is a deficient number, since it is larger than the sum of its proper divisors (10436391).

11967705 is a wasteful number, since it uses less digits than its factorization.

11967705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 11967705 is about 3459.4370929387. The cubic root of 11967705 is about 228.7372831773.

The spelling of 11967705 in words is "eleven million, nine hundred sixty-seven thousand, seven hundred five".