11126621 has 8 divisors (see below), whose sum is σ = 12434688. Its totient is φ = 9868000.

The previous prime is 11126617. The next prime is 11126629. The reversal of 11126621 is 12662111.

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 11126621 - 2² = 11126617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11126593 and 11126602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11126629) 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, 11885 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (1554336).

Almost surely, 2^11126621 is an apocalyptic number.

11126621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11126621 is a deficient number, since it is larger than the sum of its proper divisors (1308067).

11126621 is a wasteful number, since it uses less digits than its factorization.

11126621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24723.

The product of its digits is 144, while the sum is 20.

The square root of 11126621 is about 3335.6590053541. The cubic root of 11126621 is about 223.2480967273.

Adding to 11126621 its reverse (12662111), we get a palindrome (23788732).

The spelling of 11126621 in words is "eleven million, one hundred twenty-six thousand, six hundred twenty-one".