11949217 has 8 divisors (see below), whose sum is σ = 13694976. Its totient is φ = 10213152.

The previous prime is 11949199. The next prime is 11949239. The reversal of 11949217 is 71294911.

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 11949217 - 2¹⁵ = 11916449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11949257) 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, 453 + ... + 4909.

It is an arithmetic number, because the mean of its divisors is an integer number (1711872).

Almost surely, 2^11949217 is an apocalyptic number.

It is an amenable number.

11949217 is a deficient number, since it is larger than the sum of its proper divisors (1745759).

11949217 is an equidigital number, since it uses as much as digits as its factorization.

11949217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847.

The product of its digits is 4536, while the sum is 34.

The square root of 11949217 is about 3456.7639491293. The cubic root of 11949217 is about 228.6194361773.

The spelling of 11949217 in words is "eleven million, nine hundred forty-nine thousand, two hundred seventeen".