1379207 has 2 divisors, whose sum is σ = 1379208. Its totient is φ = 1379206.

The previous prime is 1379201. The next prime is 1379237. The reversal of 1379207 is 7029731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7029731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1379207 - 2¹² = 1375111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1379207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689603 + 689604.

It is an arithmetic number, because the mean of its divisors is an integer number (689604).

2^1379207 is an apocalyptic number.

1379207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379207 is an equidigital number, since it uses as much as digits as its factorization.

1379207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1379207 is about 1174.3964407303. The cubic root of 1379207 is about 111.3122985667.

The spelling of 1379207 in words is "one million, three hundred seventy-nine thousand, two hundred seven".