10620657 has 6 divisors (see below), whose sum is σ = 15340962. Its totient is φ = 7080432.

The previous prime is 10620653. The next prime is 10620661. The reversal of 10620657 is 75602601.

10620657 is a `hidden beast` number, since 1 + 0 + 6 + 2 + 0 + 657 = 666.

It is an interprime number because it is at equal distance from previous prime (10620653) and next prime (10620661).

It can be written as a sum of positive squares in only one way, i.e., 8433216 + 2187441 = 2904^2 + 1479^2 .

It is not a de Polignac number, because 10620657 - 2² = 10620653 is a prime.

It is a super-2 number, since 2×10620657² = 225596710223298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10620657.

It is not an unprimeable number, because it can be changed into a prime (10620653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 590028 + ... + 590045.

It is an arithmetic number, because the mean of its divisors is an integer number (2556827).

Almost surely, 2^10620657 is an apocalyptic number.

It is an amenable number.

10620657 is a deficient number, since it is larger than the sum of its proper divisors (4720305).

10620657 is a wasteful number, since it uses less digits than its factorization.

10620657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180079 (or 1180076 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 10620657 is about 3258.9349487217. The cubic root of 10620657 is about 219.8115259081.

The spelling of 10620657 in words is "ten million, six hundred twenty thousand, six hundred fifty-seven".