10399563 has 32 divisors (see below), whose sum is σ = 16531200. Its totient is φ = 6438528.

The previous prime is 10399559. The next prime is 10399567. The reversal of 10399563 is 36599301.

10399563 is a `hidden beast` number, since 1 + 0 + 3 + 99 + 563 = 666.

It is an interprime number because it is at equal distance from previous prime (10399559) and next prime (10399567).

It is not a de Polignac number, because 10399563 - 2² = 10399559 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10399567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63720 + ... + 63882.

It is an arithmetic number, because the mean of its divisors is an integer number (516600).

Almost surely, 2^10399563 is an apocalyptic number.

10399563 is a deficient number, since it is larger than the sum of its proper divisors (6131637).

10399563 is a wasteful number, since it uses less digits than its factorization.

10399563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 10399563 is about 3224.8353446339. The cubic root of 10399563 is about 218.2755192701.

The spelling of 10399563 in words is "ten million, three hundred ninety-nine thousand, five hundred sixty-three".