13001732 has 6 divisors (see below), whose sum is σ = 22753038. Its totient is φ = 6500864.

The previous prime is 13001731. The next prime is 13001749. The reversal of 13001732 is 23710031.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 498436 = 3536^2 + 706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13001732.

It is not an unprimeable number, because it can be changed into a prime (13001731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625213 + ... + 1625220.

It is an arithmetic number, because the mean of its divisors is an integer number (3792173).

Almost surely, 2^13001732 is an apocalyptic number.

It is an amenable number.

13001732 is a deficient number, since it is larger than the sum of its proper divisors (9751306).

13001732 is a wasteful number, since it uses less digits than its factorization.

13001732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250437 (or 3250435 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 13001732 is about 3605.7914526495. The cubic root of 13001732 is about 235.1439106460.

Adding to 13001732 its reverse (23710031), we get a palindrome (36711763).

The spelling of 13001732 in words is "thirteen million, one thousand, seven hundred thirty-two".