13787093 has 4 divisors (see below), whose sum is σ = 14262540. Its totient is φ = 13311648.

The previous prime is 13787087. The next prime is 13787101. The reversal of 13787093 is 39078731.

It is a happy number.

13787093 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 an emirpimes, since its reverse is a distinct semiprime: 39078731 = 227 ⋅172153.

It can be written as a sum of positive squares in 2 ways, for example, as 4502884 + 9284209 = 2122^2 + 3047^2 .

It is a cyclic number.

It is not a de Polignac number, because 13787093 - 2⁴ = 13787077 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 (13787003) 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, 237680 + ... + 237737.

It is an arithmetic number, because the mean of its divisors is an integer number (3565635).

Almost surely, 2^13787093 is an apocalyptic number.

It is an amenable number.

13787093 is a deficient number, since it is larger than the sum of its proper divisors (475447).

13787093 is an equidigital number, since it uses as much as digits as its factorization.

13787093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475446.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13787093 is about 3713.0974940069. The cubic root of 13787093 is about 239.7862274694.

The spelling of 13787093 in words is "thirteen million, seven hundred eighty-seven thousand, ninety-three".