13948969 has 4 divisors (see below), whose sum is σ = 13962240. Its totient is φ = 13935700.

The previous prime is 13948939. The next prime is 13948973. The reversal of 13948969 is 96984931.

13948969 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 96984931 = 1063 ⋅91237.

It is a cyclic number.

It is not a de Polignac number, because 13948969 - 2⁵ = 13948937 is a prime.

It is a super-2 number, since 2×13948969² = 389147472325922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13948919) 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, 4909 + ... + 7210.

It is an arithmetic number, because the mean of its divisors is an integer number (3490560).

Almost surely, 2^13948969 is an apocalyptic number.

It is an amenable number.

13948969 is a deficient number, since it is larger than the sum of its proper divisors (13271).

13948969 is a wasteful number, since it uses less digits than its factorization.

13948969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13270.

The product of its digits is 419904, while the sum is 49.

The square root of 13948969 is about 3734.8318569917. The cubic root of 13948969 is about 240.7210318665.

The spelling of 13948969 in words is "thirteen million, nine hundred forty-eight thousand, nine hundred sixty-nine".