13382391 has 8 divisors (see below), whose sum is σ = 19465344. Its totient is φ = 8110520.

The previous prime is 13382387. The next prime is 13382401. The reversal of 13382391 is 19328331.

13382391 is digitally balanced in base 3, 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 13382391 - 2² = 13382387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13382351) 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, 202731 + ... + 202796.

It is an arithmetic number, because the mean of its divisors is an integer number (2433168).

Almost surely, 2^13382391 is an apocalyptic number.

13382391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13382391 is a deficient number, since it is larger than the sum of its proper divisors (6082953).

13382391 is a wasteful number, since it uses less digits than its factorization.

13382391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405541.

The product of its digits is 3888, while the sum is 30.

The square root of 13382391 is about 3658.1950467409. The cubic root of 13382391 is about 237.4166858279.

The spelling of 13382391 in words is "thirteen million, three hundred eighty-two thousand, three hundred ninety-one".