13378897 has 8 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 11444064.

The previous prime is 13378873. The next prime is 13378903. The reversal of 13378897 is 79887331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13378897 - 2¹⁹ = 12854609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13378817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304 + ... + 5662.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^13378897 is an apocalyptic number.

It is an amenable number.

13378897 is a deficient number, since it is larger than the sum of its proper divisors (1942703).

13378897 is an equidigital number, since it uses as much as digits as its factorization.

13378897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935.

The product of its digits is 254016, while the sum is 46.

The square root of 13378897 is about 3657.7174576503. The cubic root of 13378897 is about 237.3960217053.

The spelling of 13378897 in words is "thirteen million, three hundred seventy-eight thousand, eight hundred ninety-seven".