11263621 has 4 divisors (see below), whose sum is σ = 11375244. Its totient is φ = 11152000.

The previous prime is 11263619. The next prime is 11263627. The reversal of 11263621 is 12636211.

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 8491396 + 2772225 = 2914^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 11263621 - 2¹ = 11263619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11263592 and 11263601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11263627) 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, 55660 + ... + 55861.

It is an arithmetic number, because the mean of its divisors is an integer number (2843811).

Almost surely, 2^11263621 is an apocalyptic number.

It is an amenable number.

11263621 is a deficient number, since it is larger than the sum of its proper divisors (111623).

11263621 is a wasteful number, since it uses less digits than its factorization.

11263621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111622.

The product of its digits is 432, while the sum is 22.

The square root of 11263621 is about 3356.1318508068. The cubic root of 11263621 is about 224.1606322838.

Adding to 11263621 its reverse (12636211), we get a palindrome (23899832).

The spelling of 11263621 in words is "eleven million, two hundred sixty-three thousand, six hundred twenty-one".