13544474 has 4 divisors (see below), whose sum is σ = 20316714. Its totient is φ = 6772236.

The previous prime is 13544431. The next prime is 13544477. The reversal of 13544474 is 47444531.

13544474 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 2608225 = 3307^2 + 1615^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13544474.

It is not an unprimeable number, because it can be changed into a prime (13544477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386117 + ... + 3386120.

Almost surely, 2^13544474 is an apocalyptic number.

13544474 is a deficient number, since it is larger than the sum of its proper divisors (6772240).

13544474 is an equidigital number, since it uses as much as digits as its factorization.

13544474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772239.

The product of its digits is 26880, while the sum is 32.

The square root of 13544474 is about 3680.2817826900. The cubic root of 13544474 is about 238.3713455380.

The spelling of 13544474 in words is "thirteen million, five hundred forty-four thousand, four hundred seventy-four".