11086421 has 8 divisors (see below), whose sum is σ = 11507160. Its totient is φ = 10672128.

The previous prime is 11086417. The next prime is 11086429. The reversal of 11086421 is 12468011.

It can be written as a sum of positive squares in 4 ways, for example, as 6180196 + 4906225 = 2486^2 + 2215^2 .

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 11086421 - 2² = 11086417 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 (11086429) 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, 2045 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (1438395).

Almost surely, 2^11086421 is an apocalyptic number.

It is an amenable number.

11086421 is a deficient number, since it is larger than the sum of its proper divisors (420739).

11086421 is an equidigital number, since it uses as much as digits as its factorization.

11086421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11086421 is about 3329.6277569722. The cubic root of 11086421 is about 222.9789103773.

The spelling of 11086421 in words is "eleven million, eighty-six thousand, four hundred twenty-one".