13474447 has 4 divisors (see below), whose sum is σ = 15399376. Its totient is φ = 11549520.

The previous prime is 13474427. The next prime is 13474453. The reversal of 13474447 is 74447431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13474447 - 2¹⁹ = 12950159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13474427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962454 + ... + 962467.

It is an arithmetic number, because the mean of its divisors is an integer number (3849844).

Almost surely, 2^13474447 is an apocalyptic number.

13474447 is a deficient number, since it is larger than the sum of its proper divisors (1924929).

13474447 is an equidigital number, since it uses as much as digits as its factorization.

13474447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924928.

The product of its digits is 37632, while the sum is 34.

The square root of 13474447 is about 3670.7556442782. The cubic root of 13474447 is about 237.9598300964.

The spelling of 13474447 in words is "thirteen million, four hundred seventy-four thousand, four hundred forty-seven".