13207768 has 32 divisors (see below), whose sum is σ = 28454400. Its totient is φ = 5630112.

The previous prime is 13207763. The next prime is 13207769. The reversal of 13207768 is 86770231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13207763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12193 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^13207768 is an apocalyptic number.

It is an amenable number.

13207768 is an abundant number, since it is smaller than the sum of its proper divisors (15246632).

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

13207768 is a wasteful number, since it uses less digits than its factorization.

13207768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 13207768 is about 3634.2493035013. The cubic root of 13207768 is about 236.3795004952.

Adding to 13207768 its reverse (86770231), we get a palindrome (99977999).

The spelling of 13207768 in words is "thirteen million, two hundred seven thousand, seven hundred sixty-eight".