11789621 has 8 divisors (see below), whose sum is σ = 12213504. Its totient is φ = 11373040.

The previous prime is 11789587. The next prime is 11789623. The reversal of 11789621 is 12698711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11789621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11789623) 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, 1571 + ... + 5103.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688).

Almost surely, 2^11789621 is an apocalyptic number.

It is an amenable number.

11789621 is a deficient number, since it is larger than the sum of its proper divisors (423883).

11789621 is an equidigital number, since it uses as much as digits as its factorization.

11789621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651.

The product of its digits is 6048, while the sum is 35.

The square root of 11789621 is about 3433.6017532614. The cubic root of 11789621 is about 227.5970426875.

The spelling of 11789621 in words is "eleven million, seven hundred eighty-nine thousand, six hundred twenty-one".