13077553 has 4 divisors (see below), whose sum is σ = 13086208. Its totient is φ = 13068900.

The previous prime is 13077551. The next prime is 13077557. The reversal of 13077553 is 35577031.

It is a happy number.

13077553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35577031 = 7 ⋅5082433.

It is a cyclic number.

It is not a de Polignac number, because 13077553 - 2¹ = 13077551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13077551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401 + ... + 5302.

It is an arithmetic number, because the mean of its divisors is an integer number (3271552).

Almost surely, 2^13077553 is an apocalyptic number.

It is an amenable number.

13077553 is a deficient number, since it is larger than the sum of its proper divisors (8655).

13077553 is an equidigital number, since it uses as much as digits as its factorization.

13077553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 13077553 is about 3616.2899496584. The cubic root of 13077553 is about 235.6001140028.

The spelling of 13077553 in words is "thirteen million, seventy-seven thousand, five hundred fifty-three".