13857034 has 4 divisors (see below), whose sum is σ = 20785554. Its totient is φ = 6928516.

The previous prime is 13857029. The next prime is 13857047. The reversal of 13857034 is 43075831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43075831 = 19 ⋅2267149.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 189225 = 3697^2 + 435^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13856987 and 13857005.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3464257 + ... + 3464260.

Almost surely, 2^13857034 is an apocalyptic number.

13857034 is a deficient number, since it is larger than the sum of its proper divisors (6928520).

13857034 is an equidigital number, since it uses as much as digits as its factorization.

13857034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928519.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 13857034 is about 3722.5037273319. The cubic root of 13857034 is about 240.1910169101.

The spelling of 13857034 in words is "thirteen million, eight hundred fifty-seven thousand, thirty-four".