1447647012 has 192 divisors, whose sum is σ = 4566016000. Its totient is φ = 387431424.

The previous prime is 1447647011. The next prime is 1447647029. The reversal of 1447647012 is 2107467441.

It is a happy number.

1447647012 is a `hidden beast` number, since 1 + 4 + 4 + 7 + 647 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1447647011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1392789 + ... + 1393827.

Almost surely, 2^1447647012 is an apocalyptic number.

1447647012 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 1447647012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283008000).

1447647012 is an abundant number, since it is smaller than the sum of its proper divisors (3118368988).

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

1447647012 is a wasteful number, since it uses less digits than its factorization.

1447647012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1447647012 is about 38047.9567388316. The cubic root of 1447647012 is about 1131.2386271885.

The spelling of 1447647012 in words is "one billion, four hundred forty-seven million, six hundred forty-seven thousand, twelve".