13787134 has 4 divisors (see below), whose sum is σ = 20680704. Its totient is φ = 6893566.

The previous prime is 13787113. The next prime is 13787149. The reversal of 13787134 is 43178731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43178731 = 457 ⋅94483.

It is a self number, because there is not a number n which added to its sum of digits gives 13787134.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3446782 + ... + 3446785.

It is an arithmetic number, because the mean of its divisors is an integer number (5170176).

Almost surely, 2^13787134 is an apocalyptic number.

13787134 is a deficient number, since it is larger than the sum of its proper divisors (6893570).

13787134 is an equidigital number, since it uses as much as digits as its factorization.

13787134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893569.

The product of its digits is 14112, while the sum is 34.

The square root of 13787134 is about 3713.1030149997. The cubic root of 13787134 is about 239.7864651609.

The spelling of 13787134 in words is "thirteen million, seven hundred eighty-seven thousand, one hundred thirty-four".