11256621 has 8 divisors (see below), whose sum is σ = 15414624. Its totient is φ = 7301520.

The previous prime is 11256613. The next prime is 11256629. The reversal of 11256621 is 12665211.

11256621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11256613) and next prime (11256629).

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

It is not a de Polignac number, because 11256621 - 2³ = 11256613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11256591 and 11256600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256629) 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, 50595 + ... + 50816.

It is an arithmetic number, because the mean of its divisors is an integer number (1926828).

Almost surely, 2^11256621 is an apocalyptic number.

It is an amenable number.

11256621 is a deficient number, since it is larger than the sum of its proper divisors (4158003).

11256621 is a wasteful number, since it uses less digits than its factorization.

11256621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101451.

The product of its digits is 720, while the sum is 24.

The square root of 11256621 is about 3355.0888214770. The cubic root of 11256621 is about 224.1141863084.

The spelling of 11256621 in words is "eleven million, two hundred fifty-six thousand, six hundred twenty-one".