1247494 has 8 divisors (see below), whose sum is σ = 1981368. Its totient is φ = 587040.

The previous prime is 1247479. The next prime is 1247501. The reversal of 1247494 is 4947421.

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

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18312 + ... + 18379.

It is an arithmetic number, because the mean of its divisors is an integer number (247671).

2^1247494 is an apocalyptic number.

1247494 is a deficient number, since it is larger than the sum of its proper divisors (733874).

1247494 is a wasteful number, since it uses less digits than its factorization.

1247494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36710.

The product of its digits is 8064, while the sum is 31.

The square root of 1247494 is about 1116.9127092123. The cubic root of 1247494 is about 107.6496994971.

The spelling of 1247494 in words is "one million, two hundred forty-seven thousand, four hundred ninety-four".