13531732 has 12 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 6757976.

The previous prime is 13531703. The next prime is 13531747. The reversal of 13531732 is 23713531.

It is a junction number, because it is equal to n+sod(n) for n = 13531697 and 13531706.

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 3 ways as a sum of consecutive naturals, for example, 3693 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^13531732 is an apocalyptic number.

It is an amenable number.

13531732 is a deficient number, since it is larger than the sum of its proper divisors (10176428).

13531732 is a wasteful number, since it uses less digits than its factorization.

13531732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3948 counting only the distinct ones).

The product of its digits is 1890, while the sum is 25.

The square root of 13531732 is about 3678.5502579141. The cubic root of 13531732 is about 238.2965725927.

The spelling of 13531732 in words is "thirteen million, five hundred thirty-one thousand, seven hundred thirty-two".