13479187 has 2 divisors, whose sum is σ = 13479188. Its totient is φ = 13479186.

The previous prime is 13479163. The next prime is 13479233. The reversal of 13479187 is 78197431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13479187 is a prime.

It is not a weakly prime, because it can be changed into another prime (13479107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6739593 + 6739594.

It is an arithmetic number, because the mean of its divisors is an integer number (6739594).

Almost surely, 2^13479187 is an apocalyptic number.

13479187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13479187 is an equidigital number, since it uses as much as digits as its factorization.

13479187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 40.

The square root of 13479187 is about 3671.4012311378. The cubic root of 13479187 is about 237.9877297537.

The spelling of 13479187 in words is "thirteen million, four hundred seventy-nine thousand, one hundred eighty-seven".