1376971 has 2 divisors, whose sum is σ = 1376972. Its totient is φ = 1376970.

The previous prime is 1376957. The next prime is 1376981. The reversal of 1376971 is 1796731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1376971 - 2⁵ = 1376939 is a prime.

It is a pancake number, because a pancake can be divided into 1376971 parts by 1659 straight cuts.

It is not a weakly prime, because it can be changed into another prime (1376981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688485 + 688486.

It is an arithmetic number, because the mean of its divisors is an integer number (688486).

2^1376971 is an apocalyptic number.

1376971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376971 is an equidigital number, since it uses as much as digits as its factorization.

1376971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 1376971 is about 1173.4440762133. Note that the first 3 decimals coincide. The cubic root of 1376971 is about 111.2521120670.

The spelling of 1376971 in words is "one million, three hundred seventy-six thousand, nine hundred seventy-one".