10620655 has 8 divisors (see below), whose sum is σ = 12871584. Its totient is φ = 8412000.

The previous prime is 10620653. The next prime is 10620661. The reversal of 10620655 is 55602601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10620655 - 2¹ = 10620653 is a prime.

It is a super-2 number, since 2×10620655² = 225596625258050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10011 + ... + 11020.

It is an arithmetic number, because the mean of its divisors is an integer number (1608948).

Almost surely, 2^10620655 is an apocalyptic number.

10620655 is a deficient number, since it is larger than the sum of its proper divisors (2250929).

10620655 is a wasteful number, since it uses less digits than its factorization.

10620655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21137.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 10620655 is about 3258.9346418730. The cubic root of 10620655 is about 219.8115121104.

The spelling of 10620655 in words is "ten million, six hundred twenty thousand, six hundred fifty-five".