1371893 has 2 divisors, whose sum is σ = 1371894. Its totient is φ = 1371892.

The previous prime is 1371863. The next prime is 1371899. The reversal of 1371893 is 3981731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 628849 = 862^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371893 - 2¹⁸ = 1109749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685946 + 685947.

It is an arithmetic number, because the mean of its divisors is an integer number (685947).

2^1371893 is an apocalyptic number.

It is an amenable number.

1371893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371893 is an equidigital number, since it uses as much as digits as its factorization.

1371893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 1371893 is about 1171.2783614496. The cubic root of 1371893 is about 111.1151849247.

The spelling of 1371893 in words is "one million, three hundred seventy-one thousand, eight hundred ninety-three".