10620009 has 12 divisors (see below), whose sum is σ = 15377856. Its totient is φ = 7062552.

The previous prime is 10620007. The next prime is 10620023. The reversal of 10620009 is 90002601.

It is not a de Polignac number, because 10620009 - 2¹ = 10620007 is a prime.

It is a super-2 number, since 2×10620009² = 225569182320162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10619973 and 10620000.

It is not an unprimeable number, because it can be changed into a prime (10620007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3172 + ... + 5594.

It is an arithmetic number, because the mean of its divisors is an integer number (1281488).

Almost surely, 2^10620009 is an apocalyptic number.

It is an amenable number.

10620009 is a deficient number, since it is larger than the sum of its proper divisors (4757847).

10620009 is a wasteful number, since it uses less digits than its factorization.

10620009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10620009 is about 3258.8355282217. The cubic root of 10620009 is about 219.8070553508.

The spelling of 10620009 in words is "ten million, six hundred twenty thousand, nine".