10563994 has 32 divisors (see below), whose sum is σ = 18957312. Its totient is φ = 4320000.

The previous prime is 10563977. The next prime is 10563997. The reversal of 10563994 is 49936501.

It is a super-2 number, since 2×10563994² = 223195938464072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10563997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43714 + ... + 43954.

It is an arithmetic number, because the mean of its divisors is an integer number (592416).

Almost surely, 2^10563994 is an apocalyptic number.

10563994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10563994 is a deficient number, since it is larger than the sum of its proper divisors (8393318).

10563994 is a wasteful number, since it uses less digits than its factorization.

10563994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 10563994 is about 3250.2298380268. The cubic root of 10563994 is about 219.4199181025.

It can be divided in two parts, 1056 and 3994, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 10563994 in words is "ten million, five hundred sixty-three thousand, nine hundred ninety-four".