13443774 has 8 divisors (see below), whose sum is σ = 26887560. Its totient is φ = 4481256.

The previous prime is 13443743. The next prime is 13443797. The reversal of 13443774 is 47734431.

It is a sphenic number, since it is the product of 3 distinct primes.

13443774 is an admirable number.

It is a super-3 number, since 3×13443774³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1120309 + ... + 1120320.

It is an arithmetic number, because the mean of its divisors is an integer number (3360945).

Almost surely, 2^13443774 is an apocalyptic number.

13443774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13443774 is a wasteful number, since it uses less digits than its factorization.

13443774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240634.

The product of its digits is 28224, while the sum is 33.

The square root of 13443774 is about 3666.5752412844. The cubic root of 13443774 is about 237.7791303547.

The spelling of 13443774 in words is "thirteen million, four hundred forty-three thousand, seven hundred seventy-four".