13880897 has 4 divisors (see below), whose sum is σ = 13888560. Its totient is φ = 13873236.

The previous prime is 13880861. The next prime is 13880899. The reversal of 13880897 is 79808831.

13880897 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 13880897 - 2⁶ = 13880833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13880899) 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, 578 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (3472140).

Almost surely, 2^13880897 is an apocalyptic number.

It is an amenable number.

13880897 is a deficient number, since it is larger than the sum of its proper divisors (7663).

13880897 is an equidigital number, since it uses as much as digits as its factorization.

13880897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7662.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 13880897 is about 3725.7075838020. The cubic root of 13880897 is about 240.3288143453.

The spelling of 13880897 in words is "thirteen million, eight hundred eighty thousand, eight hundred ninety-seven".