1379699 has 2 divisors, whose sum is σ = 1379700. Its totient is φ = 1379698.

The previous prime is 1379681. The next prime is 1379753. The reversal of 1379699 is 9969731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9969731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1379699 - 2¹⁶ = 1314163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1379629) 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 as a sum of consecutive naturals, namely, 689849 + 689850.

It is an arithmetic number, because the mean of its divisors is an integer number (689850).

2^1379699 is an apocalyptic number.

1379699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379699 is an equidigital number, since it uses as much as digits as its factorization.

1379699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 44.

The square root of 1379699 is about 1174.6058913525. The cubic root of 1379699 is about 111.3255330171.

The spelling of 1379699 in words is "one million, three hundred seventy-nine thousand, six hundred ninety-nine".