13543397 has 8 divisors (see below), whose sum is σ = 15652800. Its totient is φ = 11477664.

The previous prime is 13543351. The next prime is 13543399. The reversal of 13543397 is 79334531.

13543397 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 a cyclic number.

It is not a de Polignac number, because 13543397 - 2¹² = 13539301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13543399) 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, 10247 + ... + 11492.

It is an arithmetic number, because the mean of its divisors is an integer number (1956600).

Almost surely, 2^13543397 is an apocalyptic number.

It is an amenable number.

13543397 is a deficient number, since it is larger than the sum of its proper divisors (2109403).

13543397 is an equidigital number, since it uses as much as digits as its factorization.

13543397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21835.

The product of its digits is 34020, while the sum is 35.

The square root of 13543397 is about 3680.1354594634. The cubic root of 13543397 is about 238.3650272727.

The spelling of 13543397 in words is "thirteen million, five hundred forty-three thousand, three hundred ninety-seven".