10680815 has 4 divisors (see below), whose sum is σ = 12816984. Its totient is φ = 8544648.

The previous prime is 10680781. The next prime is 10680821. The reversal of 10680815 is 51808601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51808601 = 13 ⋅3985277.

It is a cyclic number.

It is not a de Polignac number, because 10680815 - 2¹² = 10676719 is a prime.

It is a super-2 number, since 2×10680815² = 228159618128450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068077 + ... + 1068086.

It is an arithmetic number, because the mean of its divisors is an integer number (3204246).

Almost surely, 2^10680815 is an apocalyptic number.

10680815 is a deficient number, since it is larger than the sum of its proper divisors (2136169).

10680815 is an equidigital number, since it uses as much as digits as its factorization.

10680815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136168.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 10680815 is about 3268.1516182699. The cubic root of 10680815 is about 220.2257668585.

The spelling of 10680815 in words is "ten million, six hundred eighty thousand, eight hundred fifteen".