1282431712 has 12 divisors (see below), whose sum is σ = 2524787496. Its totient is φ = 641215840.

The previous prime is 1282431691. The next prime is 1282431713. The reversal of 1282431712 is 2171342821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282431713) 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 as a sum of consecutive naturals, namely, 20037964 + ... + 20038027.

It is an arithmetic number, because the mean of its divisors is an integer number (210398958).

Almost surely, 2^1282431712 is an apocalyptic number.

It is an amenable number.

1282431712 is a deficient number, since it is larger than the sum of its proper divisors (1242355784).

1282431712 is an equidigital number, since it uses as much as digits as its factorization.

1282431712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40076001 (or 40075993 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 1282431712 is about 35811.0557230585. The cubic root of 1282431712 is about 1086.4541827172.

The spelling of 1282431712 in words is "one billion, two hundred eighty-two million, four hundred thirty-one thousand, seven hundred twelve".