1286707 has 2 divisors, whose sum is σ = 1286708. Its totient is φ = 1286706.

The previous prime is 1286693. The next prime is 1286711. The reversal of 1286707 is 7076821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1286707 - 2¹¹ = 1284659 is a prime.

It is a super-2 number, since 2×1286707² = 3311229807698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1286777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643353 + 643354.

It is an arithmetic number, because the mean of its divisors is an integer number (643354).

2^1286707 is an apocalyptic number.

1286707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1286707 is an equidigital number, since it uses as much as digits as its factorization.

1286707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1286707 is about 1134.3310804170. The cubic root of 1286707 is about 108.7660160496.

The spelling of 1286707 in words is "one million, two hundred eighty-six thousand, seven hundred seven".