11985207 has 16 divisors (see below), whose sum is σ = 17804640. Its totient is φ = 7120512.

The previous prime is 11985203. The next prime is 11985229. The reversal of 11985207 is 70258911.

It is not a de Polignac number, because 11985207 - 2² = 11985203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11985203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4168 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (1112790).

Almost surely, 2^11985207 is an apocalyptic number.

11985207 is a deficient number, since it is larger than the sum of its proper divisors (5819433).

11985207 is a wasteful number, since it uses less digits than its factorization.

11985207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 11985207 is about 3461.9657710613. The cubic root of 11985207 is about 228.8487333944.

The spelling of 11985207 in words is "eleven million, nine hundred eighty-five thousand, two hundred seven".