13480477 has 4 divisors (see below), whose sum is σ = 13571100. Its totient is φ = 13389856.

The previous prime is 13480463. The next prime is 13480499. The reversal of 13480477 is 77408431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77408431 = 439 ⋅176329.

It can be written as a sum of positive squares in 2 ways, for example, as 6022116 + 7458361 = 2454^2 + 2731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13480477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13480427) 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 in 3 ways as a sum of consecutive naturals, for example, 45088 + ... + 45385.

It is an arithmetic number, because the mean of its divisors is an integer number (3392775).

Almost surely, 2^13480477 is an apocalyptic number.

It is an amenable number.

13480477 is a deficient number, since it is larger than the sum of its proper divisors (90623).

13480477 is an equidigital number, since it uses as much as digits as its factorization.

13480477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90622.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 13480477 is about 3671.5769091768. The cubic root of 13480477 is about 237.9953215661.

The spelling of 13480477 in words is "thirteen million, four hundred eighty thousand, four hundred seventy-seven".