10042647 has 4 divisors (see below), whose sum is σ = 13390200. Its totient is φ = 6695096.

The previous prime is 10042639. The next prime is 10042673. The reversal of 10042647 is 74624001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10042647 - 2³ = 10042639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1673772 + ... + 1673777.

It is an arithmetic number, because the mean of its divisors is an integer number (3347550).

Almost surely, 2^10042647 is an apocalyptic number.

10042647 is a deficient number, since it is larger than the sum of its proper divisors (3347553).

10042647 is an equidigital number, since it uses as much as digits as its factorization.

10042647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347552.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 10042647 is about 3169.0135689201. The cubic root of 10042647 is about 215.7493019066.

Adding to 10042647 its reverse (74624001), we get a palindrome (84666648).

The spelling of 10042647 in words is "ten million, forty-two thousand, six hundred forty-seven".