13485999 has 8 divisors (see below), whose sum is σ = 18011952. Its totient is φ = 8975360.

The previous prime is 13485977. The next prime is 13486001. The reversal of 13485999 is 99958431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13485999 - 2⁹ = 13485487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (2251494).

Almost surely, 2^13485999 is an apocalyptic number.

13485999 is a deficient number, since it is larger than the sum of its proper divisors (4525953).

13485999 is an equidigital number, since it uses as much as digits as its factorization.

13485999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657.

The product of its digits is 349920, while the sum is 48.

The square root of 13485999 is about 3672.3288251462. The cubic root of 13485999 is about 238.0278137586.

The spelling of 13485999 in words is "thirteen million, four hundred eighty-five thousand, nine hundred ninety-nine".