10647994 has 24 divisors (see below), whose sum is σ = 18714240. Its totient is φ = 4530456.

The previous prime is 10647983. The next prime is 10648021. The reversal of 10647994 is 49974601.

It is a happy number.

It is a super-2 number, since 2×10647994² = 226759552448072, which contains 22 as substring.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 17239 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (779760).

Almost surely, 2^10647994 is an apocalyptic number.

10647994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10647994 is a deficient number, since it is larger than the sum of its proper divisors (8066246).

10647994 is a wasteful number, since it uses less digits than its factorization.

10647994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 10647994 is about 3263.1264149585. The cubic root of 10647994 is about 219.9999586777. Note that the first 4 decimals are identical.

The spelling of 10647994 in words is "ten million, six hundred forty-seven thousand, nine hundred ninety-four".