10630821 has 8 divisors (see below), whose sum is σ = 14189760. Its totient is φ = 7079552.

The previous prime is 10630819. The next prime is 10630871. The reversal of 10630821 is 12803601.

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

It is a cyclic number.

It is not a de Polignac number, because 10630821 - 2¹ = 10630819 is a prime.

It is a super-2 number, since 2×10630821² = 226028710268082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10630801) 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 7 ways as a sum of consecutive naturals, for example, 3541 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (1773720).

Almost surely, 2^10630821 is an apocalyptic number.

It is an amenable number.

10630821 is a deficient number, since it is larger than the sum of its proper divisors (3558939).

10630821 is a wasteful number, since it uses less digits than its factorization.

10630821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 10630821 is about 3260.4939809790. The cubic root of 10630821 is about 219.8816236440.

The spelling of 10630821 in words is "ten million, six hundred thirty thousand, eight hundred twenty-one".