1300972764 has 96 divisors (see below), whose sum is σ = 3759562240. Its totient is φ = 340962048.

The previous prime is 1300972733. The next prime is 1300972811. The reversal of 1300972764 is 4672790031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174342 + ... + 181650.

Almost surely, 2^1300972764 is an apocalyptic number.

1300972764 is a gapful number since it is divisible by the number (14) 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 1300972764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879781120).

1300972764 is an abundant number, since it is smaller than the sum of its proper divisors (2458589476).

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

1300972764 is a wasteful number, since it uses less digits than its factorization.

1300972764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 1300972764 is about 36069.0000415870. Note that the first 4 decimals coincide. The cubic root of 1300972764 is about 1091.6650376786.

The spelling of 1300972764 in words is "one billion, three hundred million, nine hundred seventy-two thousand, seven hundred sixty-four".