11443621 has 4 divisors (see below), whose sum is σ = 13078432. Its totient is φ = 9808812.

The previous prime is 11443613. The next prime is 11443631. The reversal of 11443621 is 12634411.

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.

It is a cyclic number.

It is not a de Polignac number, because 11443621 - 2³ = 11443613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11443592 and 11443601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443631) 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, 817395 + ... + 817408.

It is an arithmetic number, because the mean of its divisors is an integer number (3269608).

Almost surely, 2^11443621 is an apocalyptic number.

It is an amenable number.

11443621 is a deficient number, since it is larger than the sum of its proper divisors (1634811).

11443621 is an equidigital number, since it uses as much as digits as its factorization.

11443621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634810.

The product of its digits is 576, while the sum is 22.

The square root of 11443621 is about 3382.8421482534. The cubic root of 11443621 is about 225.3484050837.

It can be divided in two parts, 114 and 43621, that multiplied together give a palindrome (4972794).

The spelling of 11443621 in words is "eleven million, four hundred forty-three thousand, six hundred twenty-one".