1379291 has 2 divisors, whose sum is σ = 1379292. Its totient is φ = 1379290.

The previous prime is 1379263. The next prime is 1379321. The reversal of 1379291 is 1929731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1929731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379291 is a prime.

It is a Chen prime.

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, 689645 + 689646.

It is an arithmetic number, because the mean of its divisors is an integer number (689646).

2^1379291 is an apocalyptic number.

1379291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379291 is an equidigital number, since it uses as much as digits as its factorization.

1379291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 32.

The square root of 1379291 is about 1174.4322032370. The cubic root of 1379291 is about 111.3145583298.

The spelling of 1379291 in words is "one million, three hundred seventy-nine thousand, two hundred ninety-one".