13523734 has 16 divisors (see below), whose sum is σ = 23240448. Its totient is φ = 5781672.

The previous prime is 13523729. The next prime is 13523743. The reversal of 13523734 is 43732531.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6399 + ... + 8245.

It is an arithmetic number, because the mean of its divisors is an integer number (1452528).

Almost surely, 2^13523734 is an apocalyptic number.

13523734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13523734 is a deficient number, since it is larger than the sum of its proper divisors (9716714).

13523734 is a wasteful number, since it uses less digits than its factorization.

13523734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379.

The product of its digits is 7560, while the sum is 28.

The square root of 13523734 is about 3677.4629841781. The cubic root of 13523734 is about 238.2496145338.

The spelling of 13523734 in words is "thirteen million, five hundred twenty-three thousand, seven hundred thirty-four".