1247672 has 16 divisors (see below), whose sum is σ = 2352240. Its totient is φ = 620416.

The previous prime is 1247663. The next prime is 1247693. The reversal of 1247672 is 2767421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808 + ... + 2400.

It is an arithmetic number, because the mean of its divisors is an integer number (147015).

2^1247672 is an apocalyptic number.

It is an amenable number.

1247672 is a deficient number, since it is larger than the sum of its proper divisors (1104568).

1247672 is a wasteful number, since it uses less digits than its factorization.

1247672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 1247672 is about 1116.9923903053. The cubic root of 1247672 is about 107.6548192906.

The spelling of 1247672 in words is "one million, two hundred forty-seven thousand, six hundred seventy-two".