13153732 has 6 divisors (see below), whose sum is σ = 23019038. Its totient is φ = 6576864.

The previous prime is 13153727. The next prime is 13153739. The reversal of 13153732 is 23735131.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 5447556 = 2776^2 + 2334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13153697 and 13153706.

It is not an unprimeable number, because it can be changed into a prime (13153739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1644213 + ... + 1644220.

Almost surely, 2^13153732 is an apocalyptic number.

It is an amenable number.

13153732 is a deficient number, since it is larger than the sum of its proper divisors (9865306).

13153732 is a wasteful number, since it uses less digits than its factorization.

13153732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288437 (or 3288435 counting only the distinct ones).

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

The square root of 13153732 is about 3626.8074114847. The cubic root of 13153732 is about 236.0566990074.

Adding to 13153732 its reverse (23735131), we get a palindrome (36888863).

The spelling of 13153732 in words is "thirteen million, one hundred fifty-three thousand, seven hundred thirty-two".