13022687 has 2 divisors, whose sum is σ = 13022688. Its totient is φ = 13022686.

The previous prime is 13022651. The next prime is 13022699. The reversal of 13022687 is 78622031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13022687 - 2¹⁰ = 13021663 is a 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 (13022627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511343 + 6511344.

It is an arithmetic number, because the mean of its divisors is an integer number (6511344).

Almost surely, 2^13022687 is an apocalyptic number.

13022687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022687 is an equidigital number, since it uses as much as digits as its factorization.

13022687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13022687 is about 3608.6960248821. The cubic root of 13022687 is about 235.2701706401.

The spelling of 13022687 in words is "thirteen million, twenty-two thousand, six hundred eighty-seven".