1299846016 has 64 divisors (see below), whose sum is σ = 2983034880. Its totient is φ = 552642048.

The previous prime is 1299846007. The next prime is 1299846017. The reversal of 1299846016 is 6106489921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1299846016² = 3379199330622144512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299846017) 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 in 7 ways as a sum of consecutive naturals, for example, 108081 + ... + 119503.

It is an arithmetic number, because the mean of its divisors is an integer number (46609920).

Almost surely, 2^1299846016 is an apocalyptic number.

1299846016 is a gapful number since it is divisible by the number (16) 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 1299846016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491517440).

1299846016 is an abundant number, since it is smaller than the sum of its proper divisors (1683188864).

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

1299846016 is a wasteful number, since it uses less digits than its factorization.

1299846016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571 (or 11559 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1299846016 is about 36053.3773175274. The cubic root of 1299846016 is about 1091.3497898105.

The spelling of 1299846016 in words is "one billion, two hundred ninety-nine million, eight hundred forty-six thousand, sixteen".