13385091 has 8 divisors (see below), whose sum is σ = 18010960. Its totient is φ = 8841312.

The previous prime is 13385081. The next prime is 13385107. The reversal of 13385091 is 19058331.

It is a happy number.

13385091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13385091 - 2⁶ = 13385027 is a prime.

It is a super-2 number, since 2×13385091² = 358321322156562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13385041) 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, 20140 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (2251370).

Almost surely, 2^13385091 is an apocalyptic number.

13385091 is a deficient number, since it is larger than the sum of its proper divisors (4625869).

13385091 is a wasteful number, since it uses less digits than its factorization.

13385091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41045.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 13385091 is about 3658.5640625797. The cubic root of 13385091 is about 237.4326516331.

Adding to 13385091 its product of nonzero digits (3240), we get a palindrome (13388331).

The spelling of 13385091 in words is "thirteen million, three hundred eighty-five thousand, ninety-one".