13534443 has 12 divisors (see below), whose sum is σ = 21053760. Its totient is φ = 8328816.

The previous prime is 13534439. The next prime is 13534447. The reversal of 13534443 is 34443531.

It is an interprime number because it is at equal distance from previous prime (13534439) and next prime (13534447).

It is not a de Polignac number, because 13534443 - 2² = 13534439 is a prime.

It is a super-2 number, since 2×13534443² = 366362294640498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13534447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57723 + ... + 57956.

It is an arithmetic number, because the mean of its divisors is an integer number (1754480).

Almost surely, 2^13534443 is an apocalyptic number.

13534443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13534443 is a deficient number, since it is larger than the sum of its proper divisors (7519317).

13534443 is a wasteful number, since it uses less digits than its factorization.

13534443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115698 (or 115695 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 13534443 is about 3678.9187270175. The cubic root of 13534443 is about 238.3124852852.

Adding to 13534443 its reverse (34443531), we get a palindrome (47977974).

The spelling of 13534443 in words is "thirteen million, five hundred thirty-four thousand, four hundred forty-three".