1246994604 has 36 divisors (see below), whose sum is σ = 3153197320. Its totient is φ = 415523520.

The previous prime is 1246994603. The next prime is 1246994627. The reversal of 1246994604 is 4064996421.

1246994604 is a `hidden beast` number, since 124 + 69 + 9 + 460 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1246994604.

It is not an unprimeable number, because it can be changed into a prime (1246994603) 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 11 ways as a sum of consecutive naturals, for example, 200664 + ... + 206784.

Almost surely, 2^1246994604 is an apocalyptic number.

It is an amenable number.

1246994604 is an abundant number, since it is smaller than the sum of its proper divisors (1906202716).

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

1246994604 is a wasteful number, since it uses less digits than its factorization.

1246994604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790 (or 11785 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1246994604 is about 35312.8107632344. The cubic root of 1246994604 is about 1076.3533282689.

The spelling of 1246994604 in words is "one billion, two hundred forty-six million, nine hundred ninety-four thousand, six hundred four".