1299470376 has 64 divisors (see below), whose sum is σ = 3403192320. Its totient is φ = 412702400.

The previous prime is 1299470371. The next prime is 1299470387. The reversal of 1299470376 is 6730749921.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1299470371) 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 15 ways as a sum of consecutive naturals, for example, 140701 + ... + 149651.

It is an arithmetic number, because the mean of its divisors is an integer number (53174880).

Almost surely, 2^1299470376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1299470376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701596160).

1299470376 is an abundant number, since it is smaller than the sum of its proper divisors (2103721944).

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

1299470376 is a wasteful number, since it uses less digits than its factorization.

1299470376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246 (or 9242 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 1299470376 is about 36048.1674430199. The cubic root of 1299470376 is about 1091.2446506563.

The spelling of 1299470376 in words is "one billion, two hundred ninety-nine million, four hundred seventy thousand, three hundred seventy-six".