1376213 has 2 divisors, whose sum is σ = 1376214. Its totient is φ = 1376212.

The previous prime is 1376203. The next prime is 1376231. The reversal of 1376213 is 3126731.

It is a happy number.

Together with next prime (1376231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 339889 = 1018^2 + 583^2 .

It is an emirp because it is prime and its reverse (3126731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1376213 - 2⁴ = 1376197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688106 + 688107.

It is an arithmetic number, because the mean of its divisors is an integer number (688107).

2^1376213 is an apocalyptic number.

It is an amenable number.

1376213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376213 is an equidigital number, since it uses as much as digits as its factorization.

1376213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 1376213 is about 1173.1210508724. The cubic root of 1376213 is about 111.2316941643.

The spelling of 1376213 in words is "one million, three hundred seventy-six thousand, two hundred thirteen".