13485391 has 2 divisors, whose sum is σ = 13485392. Its totient is φ = 13485390.

The previous prime is 13485361. The next prime is 13485431. The reversal of 13485391 is 19358431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13485391 - 2⁹ = 13484879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13485361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6742695 + 6742696.

It is an arithmetic number, because the mean of its divisors is an integer number (6742696).

Almost surely, 2^13485391 is an apocalyptic number.

13485391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13485391 is an equidigital number, since it uses as much as digits as its factorization.

13485391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 13485391 is about 3672.2460429552. The cubic root of 13485391 is about 238.0242366392.

The spelling of 13485391 in words is "thirteen million, four hundred eighty-five thousand, three hundred ninety-one".