1249339716 has 81 divisors (see below), whose sum is σ = 3256976541. Its totient is φ = 403792704.

The previous prime is 1249339681. The next prime is 1249339753. The reversal of 1249339716 is 6179339421.

The square root of 1249339716 is 35346.

It is a perfect power (a square), and thus also a powerful number.

1249339716 is a `hidden beast` number, since 1 + 249 + 3 + 397 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 733868100 + 515471616 = 27090^2 + 22704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9119200 + ... + 9119336.

Almost surely, 2^1249339716 is an apocalyptic number.

1249339716 is the 35346-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1249339716

1249339716 is an abundant number, since it is smaller than the sum of its proper divisors (2007636825).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1249339716 is a wasteful number, since it uses less digits than its factorization.

1249339716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 185 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The cubic root of 1249339716 is about 1077.0276397755.

The spelling of 1249339716 in words is "one billion, two hundred forty-nine million, three hundred thirty-nine thousand, seven hundred sixteen".