11801667 has 8 divisors (see below), whose sum is σ = 15912720. Its totient is φ = 7779200.

The previous prime is 11801663. The next prime is 11801693. The reversal of 11801667 is 76610811.

It is a happy number.

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 11801667 - 2² = 11801663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11801663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21834 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (1989090).

Almost surely, 2^11801667 is an apocalyptic number.

11801667 is a deficient number, since it is larger than the sum of its proper divisors (4111053).

11801667 is an equidigital number, since it uses as much as digits as its factorization.

11801667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44293.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11801667 is about 3435.3554401255. The cubic root of 11801667 is about 227.6745317704.

The spelling of 11801667 in words is "eleven million, eight hundred one thousand, six hundred sixty-seven".