13070987 has 2 divisors, whose sum is σ = 13070988. Its totient is φ = 13070986.

The previous prime is 13070983. The next prime is 13070989. The reversal of 13070987 is 78907031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13070987 - 2² = 13070983 is a prime.

Together with 13070989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13070983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535493 + 6535494.

It is an arithmetic number, because the mean of its divisors is an integer number (6535494).

Almost surely, 2^13070987 is an apocalyptic number.

13070987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13070987 is an equidigital number, since it uses as much as digits as its factorization.

13070987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 13070987 is about 3615.3819991807. The cubic root of 13070987 is about 235.5606772336.

It can be divided in two parts, 130 and 70987, that added together give a palindrome (71117).

The spelling of 13070987 in words is "thirteen million, seventy thousand, nine hundred eighty-seven".