1380670 has 16 divisors (see below), whose sum is σ = 2511648. Its totient is φ = 546400.

The previous prime is 1380653. The next prime is 1380671. The reversal of 1380670 is 760831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (156978).

2^1380670 is an apocalyptic number.

1380670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380670 is a deficient number, since it is larger than the sum of its proper divisors (1130978).

1380670 is a wasteful number, since it uses less digits than its factorization.

1380670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1380670 is about 1175.0191487801. The cubic root of 1380670 is about 111.3516429980.

The spelling of 1380670 in words is "one million, three hundred eighty thousand, six hundred seventy".