13250636 has 24 divisors (see below), whose sum is σ = 27004320. Its totient is φ = 5571072.

The previous prime is 13250621. The next prime is 13250683. The reversal of 13250636 is 63605231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2981 + ... + 5948.

It is an arithmetic number, because the mean of its divisors is an integer number (1125180).

Almost surely, 2^13250636 is an apocalyptic number.

It is an amenable number.

13250636 is an abundant number, since it is smaller than the sum of its proper divisors (13753684).

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

13250636 is a wasteful number, since it uses less digits than its factorization.

13250636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993 (or 8991 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 13250636 is about 3640.1423049106. The cubic root of 13250636 is about 236.6349605964.

Adding to 13250636 its reverse (63605231), we get a palindrome (76855867).

The spelling of 13250636 in words is "thirteen million, two hundred fifty thousand, six hundred thirty-six".