13077481 has 2 divisors, whose sum is σ = 13077482. Its totient is φ = 13077480.

The previous prime is 13077473. The next prime is 13077499. The reversal of 13077481 is 18477031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13075456 + 2025 = 3616^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 13077481 - 2³ = 13077473 is a prime.

It is a super-2 number, since 2×13077481² = 342041018610722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13077781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6538740 + 6538741.

It is an arithmetic number, because the mean of its divisors is an integer number (6538741).

Almost surely, 2^13077481 is an apocalyptic number.

It is an amenable number.

13077481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13077481 is an equidigital number, since it uses as much as digits as its factorization.

13077481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 13077481 is about 3616.2799946907. The cubic root of 13077481 is about 235.5996816274.

The spelling of 13077481 in words is "thirteen million, seventy-seven thousand, four hundred eighty-one".