1373087 has 2 divisors, whose sum is σ = 1373088. Its totient is φ = 1373086.

The previous prime is 1373081. The next prime is 1373129. The reversal of 1373087 is 7803731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373087 - 2¹⁸ = 1110943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686543 + 686544.

It is an arithmetic number, because the mean of its divisors is an integer number (686544).

2^1373087 is an apocalyptic number.

1373087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373087 is an equidigital number, since it uses as much as digits as its factorization.

1373087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1373087 is about 1171.7879501002. The cubic root of 1373087 is about 111.1474112135.

It can be divided in two parts, 13 and 73087, that multiplied together give a triangular number (950131 = T₁₃₇₈).

The spelling of 1373087 in words is "one million, three hundred seventy-three thousand, eighty-seven".