13849563 has 32 divisors (see below), whose sum is σ = 23005696. Its totient is φ = 7216128.

The previous prime is 13849553. The next prime is 13849571. The reversal of 13849563 is 36594831.

It is not a de Polignac number, because 13849563 - 2⁵ = 13849531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is the 3722-nd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (13849523) by changing a digit.

It is a nontrivial repunit in base 3721.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26220 + ... + 26742.

It is an arithmetic number, because the mean of its divisors is an integer number (718928).

Almost surely, 2^13849563 is an apocalyptic number.

13849563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13849563 is a deficient number, since it is larger than the sum of its proper divisors (9156133).

13849563 is a wasteful number, since it uses less digits than its factorization.

13849563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 77760, while the sum is 39.

The square root of 13849563 is about 3721.5001007658. The cubic root of 13849563 is about 240.1478429360.

The spelling of 13849563 in words is "thirteen million, eight hundred forty-nine thousand, five hundred sixty-three".