1047447 has 12 divisors (see below), whose sum is σ = 1523704. Its totient is φ = 693360.

The previous prime is 1047419. The next prime is 1047467. The reversal of 1047447 is 7447401.

It is not a de Polignac number, because 1047447 - 2¹² = 1043351 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1047447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1308 + ... + 1950.

2^1047447 is an apocalyptic number.

1047447 is a deficient number, since it is larger than the sum of its proper divisors (476257).

1047447 is a wasteful number, since it uses less digits than its factorization.

1047447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 1047447 is about 1023.4485820011. The cubic root of 1047447 is about 101.5571923222.

The spelling of 1047447 in words is "one million, forty-seven thousand, four hundred forty-seven".