13485819 has 8 divisors (see below), whose sum is σ = 18276112. Its totient is φ = 8843040.

The previous prime is 13485809. The next prime is 13485821. The reversal of 13485819 is 91858431.

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

It is not a de Polignac number, because 13485819 - 2⁴ = 13485803 is a prime.

It is a super-2 number, since 2×13485819² = 363734628201522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13485809) 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, 36664 + ... + 37029.

It is an arithmetic number, because the mean of its divisors is an integer number (2284514).

Almost surely, 2^13485819 is an apocalyptic number.

13485819 is a deficient number, since it is larger than the sum of its proper divisors (4790293).

13485819 is an equidigital number, since it uses as much as digits as its factorization.

13485819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73757.

The product of its digits is 34560, while the sum is 39.

The square root of 13485819 is about 3672.3043174552. The cubic root of 13485819 is about 238.0267547542.

The spelling of 13485819 in words is "thirteen million, four hundred eighty-five thousand, eight hundred nineteen".