1306001 has 2 divisors, whose sum is σ = 1306002. Its totient is φ = 1306000.

The previous prime is 1305971. The next prime is 1306007. The reversal of 1306001 is 1006031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 148225 = 1076^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306001 - 2¹⁸ = 1043857 is a prime.

It is a super-2 number, since 2×1306001² = 3411277224002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1306007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653000 + 653001.

It is an arithmetic number, because the mean of its divisors is an integer number (653001).

2^1306001 is an apocalyptic number.

It is an amenable number.

1306001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306001 is an equidigital number, since it uses as much as digits as its factorization.

1306001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1306001 is about 1142.8040076934. The cubic root of 1306001 is about 109.3069651446.

The spelling of 1306001 in words is "one million, three hundred six thousand, one".