1273673 has 2 divisors, whose sum is σ = 1273674. Its totient is φ = 1273672.

The previous prime is 1273663. The next prime is 1273681. The reversal of 1273673 is 3763721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1261129 + 12544 = 1123^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1273673 - 2⁶ = 1273609 is a prime.

It is an Ulam number.

It is equal to p₉₈₁₇₄ and since 1273673 and 98174 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1273663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636836 + 636837.

It is an arithmetic number, because the mean of its divisors is an integer number (636837).

2^1273673 is an apocalyptic number.

It is an amenable number.

1273673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273673 is an equidigital number, since it uses as much as digits as its factorization.

1273673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 29.

The square root of 1273673 is about 1128.5712206148. The cubic root of 1273673 is about 108.3975120047.

The spelling of 1273673 in words is "one million, two hundred seventy-three thousand, six hundred seventy-three".