1283465472 has 216 divisors, whose sum is σ = 3702158208. Its totient is φ = 394260480.

The previous prime is 1283465471. The next prime is 1283465483. The reversal of 1283465472 is 2745643821.

Its product of digits (322560) is a multiple of the sum of its prime divisors (120).

It is not an unprimeable number, because it can be changed into a prime (1283465471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27307753 + ... + 27307799.

Almost surely, 2^1283465472 is an apocalyptic number.

1283465472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283465472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851079104).

1283465472 is an abundant number, since it is smaller than the sum of its proper divisors (2418692736).

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

1283465472 is an equidigital number, since it uses as much as digits as its factorization.

1283465472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 120 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 1283465472 is about 35825.4863470128. The cubic root of 1283465472 is about 1086.7460322343.

The spelling of 1283465472 in words is "one billion, two hundred eighty-three million, four hundred sixty-five thousand, four hundred seventy-two".