13145479 has 2 divisors, whose sum is σ = 13145480. Its totient is φ = 13145478.

The previous prime is 13145449. The next prime is 13145491. The reversal of 13145479 is 97454131.

It is a strong prime.

It is an emirp because it is prime and its reverse (97454131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13145479 - 2¹³ = 13137287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13145449) 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 as a sum of consecutive naturals, namely, 6572739 + 6572740.

It is an arithmetic number, because the mean of its divisors is an integer number (6572740).

Almost surely, 2^13145479 is an apocalyptic number.

13145479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13145479 is an equidigital number, since it uses as much as digits as its factorization.

13145479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 13145479 is about 3625.6694554247. The cubic root of 13145479 is about 236.0073192693.

The spelling of 13145479 in words is "thirteen million, one hundred forty-five thousand, four hundred seventy-nine".