11440621 has 4 divisors (see below), whose sum is σ = 11449152. Its totient is φ = 11432092.

The previous prime is 11440607. The next prime is 11440651. The reversal of 11440621 is 12604411.

11440621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12604411 = 137 ⋅92003.

It is a cyclic number.

It is not a de Polignac number, because 11440621 - 2⁵ = 11440589 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 (11440601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (2862288).

Almost surely, 2^11440621 is an apocalyptic number.

It is an amenable number.

11440621 is a deficient number, since it is larger than the sum of its proper divisors (8531).

11440621 is an equidigital number, since it uses as much as digits as its factorization.

11440621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11440621 is about 3382.3987050612. The cubic root of 11440621 is about 225.3287113085.

The spelling of 11440621 in words is "eleven million, four hundred forty thousand, six hundred twenty-one".