13398377 has 4 divisors (see below), whose sum is σ = 13860420. Its totient is φ = 12936336.

The previous prime is 13398323. The next prime is 13398379. The reversal of 13398377 is 77389331.

13398377 is digitally balanced in base 2 and base 3, because in such bases 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 an emirpimes, since its reverse is a distinct semiprime: 77389331 = 101 ⋅766231.

It can be written as a sum of positive squares in 2 ways, for example, as 6370576 + 7027801 = 2524^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 13398377 - 2⁶ = 13398313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13398379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230978 + ... + 231035.

It is an arithmetic number, because the mean of its divisors is an integer number (3465105).

Almost surely, 2^13398377 is an apocalyptic number.

It is an amenable number.

13398377 is a deficient number, since it is larger than the sum of its proper divisors (462043).

13398377 is an equidigital number, since it uses as much as digits as its factorization.

13398377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462042.

The product of its digits is 95256, while the sum is 41.

The square root of 13398377 is about 3660.3793519252. The cubic root of 13398377 is about 237.5111839609.

The spelling of 13398377 in words is "thirteen million, three hundred ninety-eight thousand, three hundred seventy-seven".