13849657 has 8 divisors (see below), whose sum is σ = 14489280. Its totient is φ = 13213200.

The previous prime is 13849643. The next prime is 13849669. The reversal of 13849657 is 75694831.

13849657 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 a de Polignac number, because none of the positive numbers 2^k-13849657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13849607) 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, 15694 + ... + 16552.

It is an arithmetic number, because the mean of its divisors is an integer number (1811160).

Almost surely, 2^13849657 is an apocalyptic number.

It is an amenable number.

13849657 is a deficient number, since it is larger than the sum of its proper divisors (639623).

13849657 is an equidigital number, since it uses as much as digits as its factorization.

13849657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583.

The product of its digits is 181440, while the sum is 43.

The square root of 13849657 is about 3721.5127300602. The cubic root of 13849657 is about 240.1483862467.

The spelling of 13849657 in words is "thirteen million, eight hundred forty-nine thousand, six hundred fifty-seven".