11949447 has 8 divisors (see below), whose sum is σ = 16202880. Its totient is φ = 7831160.

The previous prime is 11949437. The next prime is 11949493. The reversal of 11949447 is 74494911.

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 11949447 - 2⁸ = 11949191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949437) 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 7 ways as a sum of consecutive naturals, for example, 33579 + ... + 33932.

It is an arithmetic number, because the mean of its divisors is an integer number (2025360).

Almost surely, 2^11949447 is an apocalyptic number.

11949447 is a deficient number, since it is larger than the sum of its proper divisors (4253433).

11949447 is an equidigital number, since it uses as much as digits as its factorization.

11949447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67573.

The product of its digits is 36288, while the sum is 39.

The square root of 11949447 is about 3456.7972170783. The cubic root of 11949447 is about 228.6209029995.

The spelling of 11949447 in words is "eleven million, nine hundred forty-nine thousand, four hundred forty-seven".