13485399 has 4 divisors (see below), whose sum is σ = 17980536. Its totient is φ = 8990264.

The previous prime is 13485391. The next prime is 13485431. The reversal of 13485399 is 99358431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13485399 - 2³ = 13485391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13485399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247564 + ... + 2247569.

It is an arithmetic number, because the mean of its divisors is an integer number (4495134).

Almost surely, 2^13485399 is an apocalyptic number.

13485399 is a deficient number, since it is larger than the sum of its proper divisors (4495137).

13485399 is an equidigital number, since it uses as much as digits as its factorization.

13485399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495136.

The product of its digits is 116640, while the sum is 42.

The square root of 13485399 is about 3672.2471322067. The cubic root of 13485399 is about 238.0242837073.

The spelling of 13485399 in words is "thirteen million, four hundred eighty-five thousand, three hundred ninety-nine".