13580279 has 2 divisors, whose sum is σ = 13580280. Its totient is φ = 13580278.

The previous prime is 13580267. The next prime is 13580309. The reversal of 13580279 is 97208531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13580279 - 2⁸ = 13580023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13580579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6790139 + 6790140.

It is an arithmetic number, because the mean of its divisors is an integer number (6790140).

Almost surely, 2^13580279 is an apocalyptic number.

13580279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13580279 is an equidigital number, since it uses as much as digits as its factorization.

13580279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13580279 is about 3685.1430094367. The cubic root of 13580279 is about 238.5812066804.

The spelling of 13580279 in words is "thirteen million, five hundred eighty thousand, two hundred seventy-nine".