13641373 has 4 divisors (see below), whose sum is σ = 14359360. Its totient is φ = 12923388.

The previous prime is 13641371. The next prime is 13641379. The reversal of 13641373 is 37314631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13641373 - 2¹ = 13641371 is a prime.

It is a super-3 number, since 3×13641373³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358965 + ... + 359002.

It is an arithmetic number, because the mean of its divisors is an integer number (3589840).

Almost surely, 2^13641373 is an apocalyptic number.

It is an amenable number.

13641373 is a deficient number, since it is larger than the sum of its proper divisors (717987).

13641373 is an equidigital number, since it uses as much as digits as its factorization.

13641373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717986.

The product of its digits is 4536, while the sum is 28.

The square root of 13641373 is about 3693.4229381429. The cubic root of 13641373 is about 238.9384422732.

The spelling of 13641373 in words is "thirteen million, six hundred forty-one thousand, three hundred seventy-three".