13409087 has 2 divisors, whose sum is σ = 13409088. Its totient is φ = 13409086.

The previous prime is 13409051. The next prime is 13409089. The reversal of 13409087 is 78090431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13409087 - 2⁸ = 13408831 is a prime.

It is a super-2 number, since 2×13409087² = 359607228347138, which contains 22 as substring.

Together with 13409089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13409089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704543 + 6704544.

It is an arithmetic number, because the mean of its divisors is an integer number (6704544).

Almost surely, 2^13409087 is an apocalyptic number.

13409087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13409087 is an equidigital number, since it uses as much as digits as its factorization.

13409087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 13409087 is about 3661.8420228076. The cubic root of 13409087 is about 237.5744520044.

The spelling of 13409087 in words is "thirteen million, four hundred nine thousand, eighty-seven".