13946923 has 4 divisors (see below), whose sum is σ = 14103720. Its totient is φ = 13790128.

The previous prime is 13946917. The next prime is 13946927. The reversal of 13946923 is 32964931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32964931 = 557 ⋅59183.

It is a cyclic number.

It is not a de Polignac number, because 13946923 - 2⁹ = 13946411 is a prime.

It is a super-2 number, since 2×13946923² = 389033322335858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13946927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78265 + ... + 78442.

It is an arithmetic number, because the mean of its divisors is an integer number (3525930).

Almost surely, 2^13946923 is an apocalyptic number.

13946923 is a deficient number, since it is larger than the sum of its proper divisors (156797).

13946923 is an equidigital number, since it uses as much as digits as its factorization.

13946923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156796.

The product of its digits is 34992, while the sum is 37.

The square root of 13946923 is about 3734.5579390337. The cubic root of 13946923 is about 240.7092618374.

Subtracting from 13946923 its product of digits (34992), we obtain a palindrome (13911931).

The spelling of 13946923 in words is "thirteen million, nine hundred forty-six thousand, nine hundred twenty-three".