13148689 has 2 divisors, whose sum is σ = 13148690. Its totient is φ = 13148688.

The previous prime is 13148651. The next prime is 13148693. The reversal of 13148689 is 98684131.

13148689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9048064 + 4100625 = 3008^2 + 2025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13148689 is a prime.

It is not a weakly prime, because it can be changed into another prime (13148609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574344 + 6574345.

It is an arithmetic number, because the mean of its divisors is an integer number (6574345).

Almost surely, 2^13148689 is an apocalyptic number.

It is an amenable number.

13148689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13148689 is an equidigital number, since it uses as much as digits as its factorization.

13148689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 13148689 is about 3626.1121052720. The cubic root of 13148689 is about 236.0265279478.

The spelling of 13148689 in words is "thirteen million, one hundred forty-eight thousand, six hundred eighty-nine".