13771873 has 4 divisors (see below), whose sum is σ = 13800640. Its totient is φ = 13743108.

The previous prime is 13771847. The next prime is 13771907. The reversal of 13771873 is 37817731.

13771873 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37817731 = 7 ⋅5402533.

It is a cyclic number.

It is not a de Polignac number, because 13771873 - 2¹³ = 13763681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13771073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13653 + ... + 14626.

It is an arithmetic number, because the mean of its divisors is an integer number (3450160).

Almost surely, 2^13771873 is an apocalyptic number.

It is an amenable number.

13771873 is a deficient number, since it is larger than the sum of its proper divisors (28767).

13771873 is an equidigital number, since it uses as much as digits as its factorization.

13771873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28766.

The product of its digits is 24696, while the sum is 37.

The square root of 13771873 is about 3711.0474262666. The cubic root of 13771873 is about 239.6979591604.

It can be divided in two parts, 137 and 71873, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 13771873 in words is "thirteen million, seven hundred seventy-one thousand, eight hundred seventy-three".