11313421 has 8 divisors (see below), whose sum is σ = 13017600. Its totient is φ = 9631248.

The previous prime is 11313409. The next prime is 11313457. The reversal of 11313421 is 12431311.

11313421 is nontrivially palindromic in base 13.

11313421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11313421 - 2¹⁵ = 11280653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11313395 and 11313404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4381 + ... + 6466.

It is an arithmetic number, because the mean of its divisors is an integer number (1627200).

Almost surely, 2^11313421 is an apocalyptic number.

It is an amenable number.

11313421 is a deficient number, since it is larger than the sum of its proper divisors (1704179).

11313421 is a wasteful number, since it uses less digits than its factorization.

11313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003.

The product of its digits is 72, while the sum is 16.

The square root of 11313421 is about 3363.5429237636. The cubic root of 11313421 is about 224.4905080783.

Adding to 11313421 its reverse (12431311), we get a palindrome (23744732).

The spelling of 11313421 in words is "eleven million, three hundred thirteen thousand, four hundred twenty-one".