1380699 has 8 divisors (see below), whose sum is σ = 2045520. Its totient is φ = 920448.

The previous prime is 1380679. The next prime is 1380707. The reversal of 1380699 is 9960831.

It is not a de Polignac number, because 1380699 - 2⁷ = 1380571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380619) 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, 25542 + ... + 25595.

It is an arithmetic number, because the mean of its divisors is an integer number (255690).

2^1380699 is an apocalyptic number.

1380699 is a deficient number, since it is larger than the sum of its proper divisors (664821).

1380699 is an equidigital number, since it uses as much as digits as its factorization.

1380699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51146 (or 51140 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1380699 is about 1175.0314889398. The cubic root of 1380699 is about 111.3524226135.

The spelling of 1380699 in words is "one million, three hundred eighty thousand, six hundred ninety-nine".