11685949 has 8 divisors (see below), whose sum is σ = 12785760. Its totient is φ = 10592400.

The previous prime is 11685941. The next prime is 11685983. The reversal of 11685949 is 94958611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11685949 - 2³ = 11685941 is a prime.

It is a super-2 number, since 2×11685949² = 273122808061202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11685941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2914 + ... + 5644.

It is an arithmetic number, because the mean of its divisors is an integer number (1598220).

Almost surely, 2^11685949 is an apocalyptic number.

It is an amenable number.

11685949 is a deficient number, since it is larger than the sum of its proper divisors (1099811).

11685949 is a wasteful number, since it uses less digits than its factorization.

11685949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its digits is 77760, while the sum is 43.

The square root of 11685949 is about 3418.4717345621. The cubic root of 11685949 is about 226.9279529679.

It can be divided in two parts, 1168 and 5949, that added together give a palindrome (7117).

The spelling of 11685949 in words is "eleven million, six hundred eighty-five thousand, nine hundred forty-nine".