13286516 has 6 divisors (see below), whose sum is σ = 23251410. Its totient is φ = 6643256.

The previous prime is 13286513. The next prime is 13286519. The reversal of 13286516 is 61568231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13286513) and next prime (13286519).

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 3984016 = 3050^2 + 1996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13286513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660811 + ... + 1660818.

It is an arithmetic number, because the mean of its divisors is an integer number (3875235).

Almost surely, 2^13286516 is an apocalyptic number.

It is an amenable number.

13286516 is a deficient number, since it is larger than the sum of its proper divisors (9964894).

13286516 is a wasteful number, since it uses less digits than its factorization.

13286516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321633 (or 3321631 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 13286516 is about 3645.0673519155. The cubic root of 13286516 is about 236.8483543892.

The spelling of 13286516 in words is "thirteen million, two hundred eighty-six thousand, five hundred sixteen".