10620513 has 6 divisors (see below), whose sum is σ = 15340754. Its totient is φ = 7080336.

The previous prime is 10620481. The next prime is 10620521. The reversal of 10620513 is 31502601.

It can be written as a sum of positive squares in only one way, i.e., 10188864 + 431649 = 3192^2 + 657^2 .

It is not a de Polignac number, because 10620513 - 2⁵ = 10620481 is a prime.

It is a super-2 number, since 2×10620513² = 225590592766338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10620553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 590020 + ... + 590037.

Almost surely, 2^10620513 is an apocalyptic number.

It is an amenable number.

10620513 is a deficient number, since it is larger than the sum of its proper divisors (4720241).

10620513 is a wasteful number, since it uses less digits than its factorization.

10620513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180063 (or 1180060 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 10620513 is about 3258.9128555394. The cubic root of 10620513 is about 219.8105324666.

The spelling of 10620513 in words is "ten million, six hundred twenty thousand, five hundred thirteen".