13507477 has 2 divisors, whose sum is σ = 13507478. Its totient is φ = 13507476.

The previous prime is 13507451. The next prime is 13507493. The reversal of 13507477 is 77470531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8059921 + 5447556 = 2839^2 + 2334^2 .

It is an emirp because it is prime and its reverse (77470531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13507477 - 2⁷ = 13507349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13507427) 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, 6753738 + 6753739.

It is an arithmetic number, because the mean of its divisors is an integer number (6753739).

Almost surely, 2^13507477 is an apocalyptic number.

It is an amenable number.

13507477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13507477 is an equidigital number, since it uses as much as digits as its factorization.

13507477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 13507477 is about 3675.2519641516. The cubic root of 13507477 is about 238.1541089327.

The spelling of 13507477 in words is "thirteen million, five hundred seven thousand, four hundred seventy-seven".