1380407 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 1099008.

The previous prime is 1380397. The next prime is 1380419. The reversal of 1380407 is 7040831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1380407 - 2¹⁰ = 1379383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380427) 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, 12848 + ... + 12954.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1380407 is an apocalyptic number.

1380407 is a deficient number, since it is larger than the sum of its proper divisors (313033).

1380407 is a wasteful number, since it uses less digits than its factorization.

1380407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1380407 is about 1174.9072303803. The cubic root of 1380407 is about 111.3445721938.

The spelling of 1380407 in words is "one million, three hundred eighty thousand, four hundred seven".