1380757 has 16 divisors (see below), whose sum is σ = 1717632. Its totient is φ = 1082880.

The previous prime is 1380727. The next prime is 1380763. The reversal of 1380757 is 7570831.

It is a cyclic number.

It is not a de Polignac number, because 1380757 - 2⁷ = 1380629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4738 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (107352).

2^1380757 is an apocalyptic number.

1380757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1380757 is a deficient number, since it is larger than the sum of its proper divisors (336875).

1380757 is a wasteful number, since it uses less digits than its factorization.

1380757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1380757 is about 1175.0561688702. The cubic root of 1380757 is about 111.3539818117.

The spelling of 1380757 in words is "one million, three hundred eighty thousand, seven hundred fifty-seven".