10681321 has 8 divisors (see below), whose sum is σ = 12925440. Its totient is φ = 8616768.

The previous prime is 10681303. The next prime is 10681331. The reversal of 10681321 is 12318601.

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 10681321 - 2⁵ = 10681289 is a prime.

It is a super-2 number, since 2×10681321² = 228181236610082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10681292 and 10681301.

It is not an unprimeable number, because it can be changed into a prime (10681331) 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, 44761 + ... + 44998.

It is an arithmetic number, because the mean of its divisors is an integer number (1615680).

Almost surely, 2^10681321 is an apocalyptic number.

It is an amenable number.

10681321 is a deficient number, since it is larger than the sum of its proper divisors (2244119).

10681321 is an equidigital number, since it uses as much as digits as its factorization.

10681321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89783.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 10681321 is about 3268.2290311421. The cubic root of 10681321 is about 220.2292445106.

Adding to 10681321 its reverse (12318601), we get a palindrome (22999922).

The spelling of 10681321 in words is "ten million, six hundred eighty-one thousand, three hundred twenty-one".