13404077 has 4 divisors (see below), whose sum is σ = 13472316. Its totient is φ = 13335840.

The previous prime is 13404073. The next prime is 13404091. The reversal of 13404077 is 77040431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77040431 = 13 ⋅5926187.

It can be written as a sum of positive squares in 2 ways, for example, as 13097161 + 306916 = 3619^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 13404077 - 2² = 13404073 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 (13404073) 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, 33824 + ... + 34217.

It is an arithmetic number, because the mean of its divisors is an integer number (3368079).

Almost surely, 2^13404077 is an apocalyptic number.

It is an amenable number.

13404077 is a deficient number, since it is larger than the sum of its proper divisors (68239).

13404077 is an equidigital number, since it uses as much as digits as its factorization.

13404077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68238.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 13404077 is about 3661.1578769564. The cubic root of 13404077 is about 237.5448602241.

The spelling of 13404077 in words is "thirteen million, four hundred four thousand, seventy-seven".