11343521 has 8 divisors (see below), whose sum is σ = 13083840. Its totient is φ = 9633168.

The previous prime is 11343509. The next prime is 11343533. The reversal of 11343521 is 12534311.

It is an interprime number because it is at equal distance from previous prime (11343509) and next prime (11343533).

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 11343521 - 2¹⁴ = 11327137 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11343493 and 11343502.

It is not an unprimeable number, because it can be changed into a prime (11343581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6671 + ... + 8196.

It is an arithmetic number, because the mean of its divisors is an integer number (1635480).

Almost surely, 2^11343521 is an apocalyptic number.

It is an amenable number.

11343521 is a deficient number, since it is larger than the sum of its proper divisors (1740319).

11343521 is a wasteful number, since it uses less digits than its factorization.

11343521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14983.

The product of its digits is 360, while the sum is 20.

The square root of 11343521 is about 3368.0144002067. The cubic root of 11343521 is about 224.6894216969.

Adding to 11343521 its reverse (12534311), we get a palindrome (23877832).

It can be divided in two parts, 113 and 43521, that added together give a palindrome (43634).

The spelling of 11343521 in words is "eleven million, three hundred forty-three thousand, five hundred twenty-one".