10638671 has 4 divisors (see below), whose sum is σ = 10671144. Its totient is φ = 10606200.

The previous prime is 10638631. The next prime is 10638697. The reversal of 10638671 is 17683601.

10638671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17683601 = 13 ⋅1360277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10638671 is a prime.

It is a super-2 number, since 2×10638671² = 226362641292482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15740 + ... + 16401.

It is an arithmetic number, because the mean of its divisors is an integer number (2667786).

Almost surely, 2^10638671 is an apocalyptic number.

10638671 is a deficient number, since it is larger than the sum of its proper divisors (32473).

10638671 is an equidigital number, since it uses as much as digits as its factorization.

10638671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32472.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 10638671 is about 3261.6975641528. The cubic root of 10638671 is about 219.9357319160.

The spelling of 10638671 in words is "ten million, six hundred thirty-eight thousand, six hundred seventy-one".