13306628 has 12 divisors (see below), whose sum is σ = 23313612. Its totient is φ = 6645600.

The previous prime is 13306619. The next prime is 13306637. The reversal of 13306628 is 82660331.

It is an interprime number because it is at equal distance from previous prime (13306619) and next prime (13306637).

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 11505664 = 1342^2 + 3392^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13306628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3926 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (1942801).

Almost surely, 2^13306628 is an apocalyptic number.

It is an amenable number.

13306628 is a deficient number, since it is larger than the sum of its proper divisors (10006984).

13306628 is a wasteful number, since it uses less digits than its factorization.

13306628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3860 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 13306628 is about 3647.8251054567. The cubic root of 13306628 is about 236.9678011174.

Adding to 13306628 its reverse (82660331), we get a palindrome (95966959).

The spelling of 13306628 in words is "thirteen million, three hundred six thousand, six hundred twenty-eight".