10706639 has 2 divisors, whose sum is σ = 10706640. Its totient is φ = 10706638.

The previous prime is 10706627. The next prime is 10706669. The reversal of 10706639 is 93660701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10706639 - 2⁸ = 10706383 is a prime.

It is a super-2 number, since 2×10706639² = 229264237352642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10706669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5353319 + 5353320.

It is an arithmetic number, because the mean of its divisors is an integer number (5353320).

Almost surely, 2^10706639 is an apocalyptic number.

10706639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10706639 is an equidigital number, since it uses as much as digits as its factorization.

10706639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 10706639 is about 3272.1000901562. The cubic root of 10706639 is about 220.4031107825.

The spelling of 10706639 in words is "ten million, seven hundred six thousand, six hundred thirty-nine".