13210389 has 6 divisors (see below), whose sum is σ = 19081686. Its totient is φ = 8806920.

The previous prime is 13210387. The next prime is 13210391. The reversal of 13210389 is 98301231.

It is an interprime number because it is at equal distance from previous prime (13210387) and next prime (13210391).

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 33489 = 3630^2 + 183^2 .

It is not a de Polignac number, because 13210389 - 2¹ = 13210387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210387) 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 5 ways as a sum of consecutive naturals, for example, 733902 + ... + 733919.

It is an arithmetic number, because the mean of its divisors is an integer number (3180281).

Almost surely, 2^13210389 is an apocalyptic number.

It is an amenable number.

13210389 is a deficient number, since it is larger than the sum of its proper divisors (5871297).

13210389 is a wasteful number, since it uses less digits than its factorization.

13210389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467827 (or 1467824 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13210389 is about 3634.6098827797. The cubic root of 13210389 is about 236.3951354784.

The spelling of 13210389 in words is "thirteen million, two hundred ten thousand, three hundred eighty-nine".