13240532 has 6 divisors (see below), whose sum is σ = 23170938. Its totient is φ = 6620264.

The previous prime is 13240531. The next prime is 13240537. The reversal of 13240532 is 23504231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12716356 + 524176 = 3566^2 + 724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655063 + ... + 1655070.

It is an arithmetic number, because the mean of its divisors is an integer number (3861823).

Almost surely, 2^13240532 is an apocalyptic number.

It is an amenable number.

13240532 is a deficient number, since it is larger than the sum of its proper divisors (9930406).

13240532 is a wasteful number, since it uses less digits than its factorization.

13240532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310137 (or 3310135 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13240532 is about 3638.7541824091. The cubic root of 13240532 is about 236.5747982609.

Adding to 13240532 its reverse (23504231), we get a palindrome (36744763).

The spelling of 13240532 in words is "thirteen million, two hundred forty thousand, five hundred thirty-two".