1248647 has 6 divisors (see below), whose sum is σ = 1308552. Its totient is φ = 1189232.

The previous prime is 1248641. The next prime is 1248671. The reversal of 1248647 is 7468421.

It is not a de Polignac number, because 1248647 - 2⁴ = 1248631 is a prime.

It is a Duffinian number.

Its product of digits (10752) is a multiple of the sum of its prime divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5243 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (218092).

2^1248647 is an apocalyptic number.

1248647 is a deficient number, since it is larger than the sum of its proper divisors (59905).

1248647 is an frugal number, since it uses more digits than its factorization.

1248647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 256 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 1248647 is about 1117.4287449319. The cubic root of 1248647 is about 107.6828544685.

The spelling of 1248647 in words is "one million, two hundred forty-eight thousand, six hundred forty-seven".