1307994552 has 96 divisors (see below), whose sum is σ = 3793327200. Its totient is φ = 405706752.

The previous prime is 1307994539. The next prime is 1307994553. The reversal of 1307994552 is 2554997031.

It is a happy number.

1307994552 is a `hidden beast` number, since 1 + 3 + 0 + 7 + 9 + 94 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1307994498 and 1307994507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307994553) 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, 102933 + ... + 114939.

It is an arithmetic number, because the mean of its divisors is an integer number (39513825).

Almost surely, 2^1307994552 is an apocalyptic number.

1307994552 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 1307994552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896663600).

1307994552 is an abundant number, since it is smaller than the sum of its proper divisors (2485332648).

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

1307994552 is a wasteful number, since it uses less digits than its factorization.

1307994552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125 (or 12118 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 1307994552 is about 36166.2073211997. The cubic root of 1307994552 is about 1093.6255426408.

The spelling of 1307994552 in words is "one billion, three hundred seven million, nine hundred ninety-four thousand, five hundred fifty-two".