13481477 has 2 divisors, whose sum is σ = 13481478. Its totient is φ = 13481476.

The previous prime is 13481443. The next prime is 13481569. The reversal of 13481477 is 77418431.

13481477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7845601 + 5635876 = 2801^2 + 2374^2 .

It is an emirp because it is prime and its reverse (77418431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13481477 - 2¹⁴ = 13465093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13481407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740738 + 6740739.

It is an arithmetic number, because the mean of its divisors is an integer number (6740739).

Almost surely, 2^13481477 is an apocalyptic number.

It is an amenable number.

13481477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13481477 is an equidigital number, since it uses as much as digits as its factorization.

13481477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 35.

The square root of 13481477 is about 3671.7130879196. The cubic root of 13481477 is about 238.0012063588.

The spelling of 13481477 in words is "thirteen million, four hundred eighty-one thousand, four hundred seventy-seven".