11907217 has 8 divisors (see below), whose sum is σ = 13644800. Its totient is φ = 10178784.

The previous prime is 11907211. The next prime is 11907251. The reversal of 11907217 is 71270911.

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

It is a de Polignac number, because none of the positive numbers 2^k-11907217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11907211) 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, 784 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (1705600).

Almost surely, 2^11907217 is an apocalyptic number.

It is an amenable number.

11907217 is a deficient number, since it is larger than the sum of its proper divisors (1737583).

11907217 is an equidigital number, since it uses as much as digits as its factorization.

11907217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 11907217 is about 3450.6835554713. The cubic root of 11907217 is about 228.3512655152.

The spelling of 11907217 in words is "eleven million, nine hundred seven thousand, two hundred seventeen".