13004087 has 2 divisors, whose sum is σ = 13004088. Its totient is φ = 13004086.

The previous prime is 13004083. The next prime is 13004129. The reversal of 13004087 is 78040031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13004087 - 2² = 13004083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13004081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502043 + 6502044.

It is an arithmetic number, because the mean of its divisors is an integer number (6502044).

Almost surely, 2^13004087 is an apocalyptic number.

13004087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004087 is an equidigital number, since it uses as much as digits as its factorization.

13004087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 13004087 is about 3606.1179958509. The cubic root of 13004087 is about 235.1581069720.

The spelling of 13004087 in words is "thirteen million, four thousand, eighty-seven".