1428504712 has 8 divisors (see below), whose sum is σ = 2678446350. Its totient is φ = 714252352.

The previous prime is 1428504709. The next prime is 1428504719. The reversal of 1428504712 is 2174058241.

It can be written as a sum of positive squares in only one way, i.e., 1408200676 + 20304036 = 37526^2 + 4506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1428504719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89281537 + ... + 89281552.

Almost surely, 2^1428504712 is an apocalyptic number.

It is an amenable number.

1428504712 is a deficient number, since it is larger than the sum of its proper divisors (1249941638).

1428504712 is a wasteful number, since it uses less digits than its factorization.

1428504712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178563095 (or 178563091 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1428504712 is about 37795.5647133364. The cubic root of 1428504712 is about 1126.2303476447.

The spelling of 1428504712 in words is "one billion, four hundred twenty-eight million, five hundred four thousand, seven hundred twelve".