13857049 has 8 divisors (see below), whose sum is σ = 14081760. Its totient is φ = 13634400.

The previous prime is 13857047. The next prime is 13857071. The reversal of 13857049 is 94075831.

13857049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13857049 - 2¹ = 13857047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13856999 and 13857017.

It is not an unprimeable number, because it can be changed into a prime (13857047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17829 + ... + 18589.

It is an arithmetic number, because the mean of its divisors is an integer number (1760220).

Almost surely, 2^13857049 is an apocalyptic number.

It is an amenable number.

13857049 is a deficient number, since it is larger than the sum of its proper divisors (224711).

13857049 is a wasteful number, since it uses less digits than its factorization.

13857049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13857049 is about 3722.5057421044. The cubic root of 13857049 is about 240.1911035776.

The spelling of 13857049 in words is "thirteen million, eight hundred fifty-seven thousand, forty-nine".