1348381 has 2 divisors, whose sum is σ = 1348382. Its totient is φ = 1348380.

The previous prime is 1348379. The next prime is 1348387. The reversal of 1348381 is 1838431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232100 + 116281 = 1110^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348381 - 2¹ = 1348379 is a prime.

It is a super-2 number, since 2×1348381² = 3636262642322, which contains 22 as substring.

Together with 1348379, it forms a pair of twin primes.

1348381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674190 + 674191.

It is an arithmetic number, because the mean of its divisors is an integer number (674191).

2^1348381 is an apocalyptic number.

It is an amenable number.

1348381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348381 is an equidigital number, since it uses as much as digits as its factorization.

1348381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 1348381 is about 1161.1980881831. The cubic root of 1348381 is about 110.4767461970.

It can be divided in two parts, 134 and 8381, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 1348381 in words is "one million, three hundred forty-eight thousand, three hundred eighty-one".