10213556 has 6 divisors (see below), whose sum is σ = 17873730. Its totient is φ = 5106776.

The previous prime is 10213543. The next prime is 10213559. The reversal of 10213556 is 65531201.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 504100 = 3116^2 + 710^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213559) 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 as a sum of consecutive naturals, namely, 1276691 + ... + 1276698.

It is an arithmetic number, because the mean of its divisors is an integer number (2978955).

Almost surely, 2^10213556 is an apocalyptic number.

It is an amenable number.

10213556 is a deficient number, since it is larger than the sum of its proper divisors (7660174).

10213556 is a wasteful number, since it uses less digits than its factorization.

10213556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553393 (or 2553391 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 10213556 is about 3195.8654539890. The cubic root of 10213556 is about 216.9663209499.

Adding to 10213556 its reverse (65531201), we get a palindrome (75744757).

The spelling of 10213556 in words is "ten million, two hundred thirteen thousand, five hundred fifty-six".