13958897 has 4 divisors (see below), whose sum is σ = 14409216. Its totient is φ = 13508580.

The previous prime is 13958873. The next prime is 13958909. The reversal of 13958897 is 79885931.

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 an emirpimes, since its reverse is a distinct semiprime: 79885931 = 5683 ⋅14057.

It is a cyclic number.

It is not a de Polignac number, because 13958897 - 2⁸ = 13958641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13958807) 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, 225113 + ... + 225174.

It is an arithmetic number, because the mean of its divisors is an integer number (3602304).

Almost surely, 2^13958897 is an apocalyptic number.

It is an amenable number.

13958897 is a deficient number, since it is larger than the sum of its proper divisors (450319).

13958897 is an equidigital number, since it uses as much as digits as its factorization.

13958897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450318.

The product of its digits is 544320, while the sum is 50.

The square root of 13958897 is about 3736.1607299473. The cubic root of 13958897 is about 240.7781283597.

The spelling of 13958897 in words is "thirteen million, nine hundred fifty-eight thousand, eight hundred ninety-seven".