1284746412 has 48 divisors (see below), whose sum is σ = 3091898880. Its totient is φ = 414896832.

The previous prime is 1284746401. The next prime is 1284746471. The reversal of 1284746412 is 2146474821.

It is a super-4 number, since 4×1284746412⁴ (a number of 38 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100063 + ... + 112169.

It is an arithmetic number, because the mean of its divisors is an integer number (64414560).

Almost surely, 2^1284746412 is an apocalyptic number.

1284746412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1284746412 is an abundant number, since it is smaller than the sum of its proper divisors (1807152468).

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

1284746412 is a wasteful number, since it uses less digits than its factorization.

1284746412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390 (or 12388 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 1284746412 is about 35843.3593849684. The cubic root of 1284746412 is about 1087.1074479076.

The spelling of 1284746412 in words is "one billion, two hundred eighty-four million, seven hundred forty-six thousand, four hundred twelve".