1300780 has 24 divisors (see below), whose sum is σ = 2942352. Its totient is φ = 480192.

The previous prime is 1300771. The next prime is 1300781. The reversal of 1300780 is 870031.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1300781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (122598).

2^1300780 is an apocalyptic number.

1300780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300780 is an abundant number, since it is smaller than the sum of its proper divisors (1641572).

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

1300780 is a wasteful number, since it uses less digits than its factorization.

1300780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1300780 is about 1140.5174264342. The cubic root of 1300780 is about 109.1611117997.

It can be divided in two parts, 1300 and 780, that added together give a triangular number (2080 = T₆₄).

The spelling of 1300780 in words is "one million, three hundred thousand, seven hundred eighty".