21341326 has 8 divisors (see below), whose sum is σ = 32037264. Its totient is φ = 10662240.

The previous prime is 21341317. The next prime is 21341339. The reversal of 21341326 is 62314312.

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

It is a junction number, because it is equal to n+sod(n) for n = 21341297 and 21341306.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 330 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (4004658).

Almost surely, 2^21341326 is an apocalyptic number.

21341326 is a deficient number, since it is larger than the sum of its proper divisors (10695938).

21341326 is a wasteful number, since it uses less digits than its factorization.

21341326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426.

The product of its digits is 864, while the sum is 22.

The square root of 21341326 is about 4619.6673040382. The cubic root of 21341326 is about 277.3791417002.

Adding to 21341326 its reverse (62314312), we get a palindrome (83655638).

The spelling of 21341326 in words is "twenty-one million, three hundred forty-one thousand, three hundred twenty-six".