11411621 has 4 divisors (see below), whose sum is σ = 12289452. Its totient is φ = 10533792.

The previous prime is 11411597. The next prime is 11411633. The reversal of 11411621 is 12611411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 448900 + 10962721 = 670^2 + 3311^2 .

It is a cyclic number.

It is not a de Polignac number, because 11411621 - 2¹⁸ = 11149477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11411621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411671) 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, 438896 + ... + 438921.

It is an arithmetic number, because the mean of its divisors is an integer number (3072363).

Almost surely, 2^11411621 is an apocalyptic number.

It is an amenable number.

11411621 is a deficient number, since it is larger than the sum of its proper divisors (877831).

11411621 is an equidigital number, since it uses as much as digits as its factorization.

11411621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877830.

The product of its digits is 48, while the sum is 17.

The square root of 11411621 is about 3378.1090864565. The cubic root of 11411621 is about 225.1381604132.

The spelling of 11411621 in words is "eleven million, four hundred eleven thousand, six hundred twenty-one".