10561994 has 8 divisors (see below), whose sum is σ = 15876000. Its totient is φ = 5269996.

The previous prime is 10561987. The next prime is 10562009. The reversal of 10561994 is 49916501.

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

It is a super-2 number, since 2×10561994² = 223111434512072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^10561994 is an apocalyptic number.

10561994 is a deficient number, since it is larger than the sum of its proper divisors (5314006).

10561994 is a wasteful number, since it uses less digits than its factorization.

10561994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11004.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 10561994 is about 3249.9221529138. The cubic root of 10561994 is about 219.4060701983.

The spelling of 10561994 in words is "ten million, five hundred sixty-one thousand, nine hundred ninety-four".