13954849 has 4 divisors (see below), whose sum is σ = 13962564. Its totient is φ = 13947136.

The previous prime is 13954823. The next prime is 13954879. The reversal of 13954849 is 94845931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1423249 + 12531600 = 1193^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 13954849 - 2¹³ = 13946657 is a prime.

It is a super-2 number, since 2×13954849² = 389475621225602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13954819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489 + ... + 5305.

It is an arithmetic number, because the mean of its divisors is an integer number (3490641).

Almost surely, 2^13954849 is an apocalyptic number.

It is an amenable number.

13954849 is a deficient number, since it is larger than the sum of its proper divisors (7715).

13954849 is an equidigital number, since it uses as much as digits as its factorization.

13954849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714.

The product of its digits is 155520, while the sum is 43.

The square root of 13954849 is about 3735.6189580845. The cubic root of 13954849 is about 240.7548513512.

The spelling of 13954849 in words is "thirteen million, nine hundred fifty-four thousand, eight hundred forty-nine".