13240602 has 24 divisors (see below), whose sum is σ = 28756884. Its totient is φ = 4402944.

The previous prime is 13240589. The next prime is 13240609. The reversal of 13240602 is 20604231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12467961 + 772641 = 3531^2 + 879^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13240609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11568 + ... + 12660.

Almost surely, 2^13240602 is an apocalyptic number.

13240602 is an abundant number, since it is smaller than the sum of its proper divisors (15516282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13240602 is a wasteful number, since it uses less digits than its factorization.

13240602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13240602 is about 3638.7638010731. The cubic root of 13240602 is about 236.5752151678.

Adding to 13240602 its reverse (20604231), we get a palindrome (33844833).

The spelling of 13240602 in words is "thirteen million, two hundred forty thousand, six hundred two".