10687669 has 2 divisors, whose sum is σ = 10687670. Its totient is φ = 10687668.

The previous prime is 10687667. The next prime is 10687681. The reversal of 10687669 is 96678601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 3849444 = 2615^2 + 1962^2 .

It is an emirp because it is prime and its reverse (96678601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10687669 - 2¹ = 10687667 is a prime.

It is a super-2 number, since 2×10687669² = 228452537307122, which contains 22 as substring.

Together with 10687667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10687667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343834 + 5343835.

It is an arithmetic number, because the mean of its divisors is an integer number (5343835).

Almost surely, 2^10687669 is an apocalyptic number.

It is an amenable number.

10687669 is a deficient number, since it is larger than the sum of its proper divisors (1).

10687669 is an equidigital number, since it uses as much as digits as its factorization.

10687669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 10687669 is about 3269.2000550593. The cubic root of 10687669 is about 220.2728639089.

The spelling of 10687669 in words is "ten million, six hundred eighty-seven thousand, six hundred sixty-nine".