13162489 has 2 divisors, whose sum is σ = 13162490. Its totient is φ = 13162488.

The previous prime is 13162451. The next prime is 13162529. The reversal of 13162489 is 98426131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 166464 = 3605^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 13162489 - 2⁹ = 13161977 is a prime.

It is a super-2 number, since 2×13162489² = 346502233350242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13162889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6581244 + 6581245.

It is an arithmetic number, because the mean of its divisors is an integer number (6581245).

Almost surely, 2^13162489 is an apocalyptic number.

It is an amenable number.

13162489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13162489 is an equidigital number, since it uses as much as digits as its factorization.

13162489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 13162489 is about 3628.0144707539. The cubic root of 13162489 is about 236.1090717220.

The spelling of 13162489 in words is "thirteen million, one hundred sixty-two thousand, four hundred eighty-nine".