13893573 has 8 divisors (see below), whose sum is σ = 19614528. Its totient is φ = 8717504.

The previous prime is 13893553. The next prime is 13893613. The reversal of 13893573 is 37539831.

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 13893573 - 2¹³ = 13885381 is a prime.

It is a super-4 number, since 4×13893573⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13893553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136161 + ... + 136262.

It is an arithmetic number, because the mean of its divisors is an integer number (2451816).

Almost surely, 2^13893573 is an apocalyptic number.

It is an amenable number.

13893573 is a deficient number, since it is larger than the sum of its proper divisors (5720955).

13893573 is a wasteful number, since it uses less digits than its factorization.

13893573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272443.

The product of its digits is 68040, while the sum is 39.

The square root of 13893573 is about 3727.4083489739. The cubic root of 13893573 is about 240.4019479762.

The spelling of 13893573 in words is "thirteen million, eight hundred ninety-three thousand, five hundred seventy-three".