10620556 has 6 divisors (see below), whose sum is σ = 18585980. Its totient is φ = 5310276.

The previous prime is 10620553. The next prime is 10620557. The reversal of 10620556 is 65502601.

It is a super-2 number, since 2×10620556² = 225592419498272, 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 10620556.

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 as a sum of consecutive naturals, namely, 1327566 + ... + 1327573.

Almost surely, 2^10620556 is an apocalyptic number.

It is an amenable number.

10620556 is a deficient number, since it is larger than the sum of its proper divisors (7965424).

10620556 is a wasteful number, since it uses less digits than its factorization.

10620556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655143 (or 2655141 counting only the distinct ones).

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

The square root of 10620556 is about 3258.9194528248. The cubic root of 10620556 is about 219.8108291202.

The spelling of 10620556 in words is "ten million, six hundred twenty thousand, five hundred fifty-six".