1246530680 has 16 divisors (see below), whose sum is σ = 2804694120. Its totient is φ = 498612256.

The previous prime is 1246530679. The next prime is 1246530689. The reversal of 1246530680 is 860356421.

It is a self number, because there is not a number n which added to its sum of digits gives 1246530680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246530689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15581594 + ... + 15581673.

Almost surely, 2^1246530680 is an apocalyptic number.

1246530680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1246530680 is an abundant number, since it is smaller than the sum of its proper divisors (1558163440).

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

1246530680 is a wasteful number, since it uses less digits than its factorization.

1246530680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31163278 (or 31163274 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1246530680 is about 35306.2413745785. The cubic root of 1246530680 is about 1076.2198318135.

The spelling of 1246530680 in words is "one billion, two hundred forty-six million, five hundred thirty thousand, six hundred eighty".