10520715 has 16 divisors (see below), whose sum is σ = 17192448. Its totient is φ = 5491296.

The previous prime is 10520711. The next prime is 10520743. The reversal of 10520715 is 51702501.

It is not a de Polignac number, because 10520715 - 2² = 10520711 is a prime.

It is a super-2 number, since 2×10520715² = 221370888222450, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 10520691 and 10520700.

It is not an unprimeable number, because it can be changed into a prime (10520711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6757 + ... + 8166.

It is an arithmetic number, because the mean of its divisors is an integer number (1074528).

Almost surely, 2^10520715 is an apocalyptic number.

10520715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10520715 is a deficient number, since it is larger than the sum of its proper divisors (6671733).

10520715 is a wasteful number, since it uses less digits than its factorization.

10520715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14978.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 10520715 is about 3243.5651681445. The cubic root of 10520715 is about 219.1198651594.

The spelling of 10520715 in words is "ten million, five hundred twenty thousand, seven hundred fifteen".