13478897 has 8 divisors (see below), whose sum is σ = 14198976. Its totient is φ = 12770032.

The previous prime is 13478887. The next prime is 13478903. The reversal of 13478897 is 79887431.

13478897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13478897 - 2⁶ = 13478833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13478837) 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, 278 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (1774872).

Almost surely, 2^13478897 is an apocalyptic number.

It is an amenable number.

13478897 is a deficient number, since it is larger than the sum of its proper divisors (720079).

13478897 is a wasteful number, since it uses less digits than its factorization.

13478897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607.

The product of its digits is 338688, while the sum is 47.

The square root of 13478897 is about 3671.3617364678. The cubic root of 13478897 is about 237.9860230005.

The spelling of 13478897 in words is "thirteen million, four hundred seventy-eight thousand, eight hundred ninety-seven".