11313621 has 24 divisors (see below), whose sum is σ = 18428480. Its totient is φ = 6854760.

The previous prime is 11313611. The next prime is 11313629. The reversal of 11313621 is 12631311.

11313621 is a `hidden beast` number, since 11 + 31 + 3 + 621 = 666.

11313621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11313621 - 2⁶ = 11313557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11313594 and 11313603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1536 + ... + 4998.

Almost surely, 2^11313621 is an apocalyptic number.

11313621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11313621 is a deficient number, since it is larger than the sum of its proper divisors (7114859).

11313621 is a wasteful number, since it uses less digits than its factorization.

11313621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3477 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 11313621 is about 3363.5726541878. The cubic root of 11313621 is about 224.4918309271.

Adding to 11313621 its reverse (12631311), we get a palindrome (23944932).

The spelling of 11313621 in words is "eleven million, three hundred thirteen thousand, six hundred twenty-one".