13086772 has 24 divisors (see below), whose sum is σ = 23947560. Its totient is φ = 6249600.

The previous prime is 13086767. The next prime is 13086779. The reversal of 13086772 is 27768031.

It can be written as a sum of positive squares in 4 ways, for example, as 2090916 + 10995856 = 1446^2 + 3316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11158 + ... + 12274.

It is an arithmetic number, because the mean of its divisors is an integer number (997815).

Almost surely, 2^13086772 is an apocalyptic number.

It is an amenable number.

13086772 is a deficient number, since it is larger than the sum of its proper divisors (10860788).

13086772 is a wasteful number, since it uses less digits than its factorization.

13086772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

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

The square root of 13086772 is about 3617.5643739953. The cubic root of 13086772 is about 235.6554629729.

The spelling of 13086772 in words is "thirteen million, eighty-six thousand, seven hundred seventy-two".