10681215 has 16 divisors (see below), whose sum is σ = 17148768. Its totient is φ = 5677056.

The previous prime is 10681189. The next prime is 10681217. The reversal of 10681215 is 51218601.

It is not a de Polignac number, because 10681215 - 2⁸ = 10680959 is a prime.

It is a super-2 number, since 2×10681215² = 228176707752450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10681217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3999 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (1071798).

Almost surely, 2^10681215 is an apocalyptic number.

10681215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10681215 is a deficient number, since it is larger than the sum of its proper divisors (6467553).

10681215 is a wasteful number, since it uses less digits than its factorization.

10681215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 10681215 is about 3268.2128143681. The cubic root of 10681215 is about 220.2285159997.

Adding to 10681215 its reverse (51218601), we get a palindrome (61899816).

The spelling of 10681215 in words is "ten million, six hundred eighty-one thousand, two hundred fifteen".