10687013 has 2 divisors, whose sum is σ = 10687014. Its totient is φ = 10687012.

The previous prime is 10687009. The next prime is 10687037. The reversal of 10687013 is 31078601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 3467044 = 2687^2 + 1862^2 .

It is a cyclic number.

It is not a de Polignac number, because 10687013 - 2² = 10687009 is a prime.

It is a super-2 number, since 2×10687013² = 228424493724338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10687073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343506 + 5343507.

It is an arithmetic number, because the mean of its divisors is an integer number (5343507).

Almost surely, 2^10687013 is an apocalyptic number.

It is an amenable number.

10687013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10687013 is an equidigital number, since it uses as much as digits as its factorization.

10687013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10687013 is about 3269.0997231654. The cubic root of 10687013 is about 220.2683570966.

The spelling of 10687013 in words is "ten million, six hundred eighty-seven thousand, thirteen".