11889001 has 8 divisors (see below), whose sum is σ = 12661920. Its totient is φ = 11124288.

The previous prime is 11888983. The next prime is 11889011. The reversal of 11889001 is 10098811.

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 11889001 - 2⁵ = 11888969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11889011) 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, 1090 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (1582740).

Almost surely, 2^11889001 is an apocalyptic number.

It is an amenable number.

11889001 is a deficient number, since it is larger than the sum of its proper divisors (772919).

11889001 is a wasteful number, since it uses less digits than its factorization.

11889001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 11889001 is about 3448.0430681765. The cubic root of 11889001 is about 228.2347599921.

The spelling of 11889001 in words is "eleven million, eight hundred eighty-nine thousand, one".