1265705 has 24 divisors (see below), whose sum is σ = 1839552. Its totient is φ = 818496.

The previous prime is 1265681. The next prime is 1265729. The reversal of 1265705 is 5075621.

It is an interprime number because it is at equal distance from previous prime (1265681) and next prime (1265729).

It is not a de Polignac number, because 1265705 - 2⁸ = 1265449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29414 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (76648).

2^1265705 is an apocalyptic number.

It is an amenable number.

1265705 is a deficient number, since it is larger than the sum of its proper divisors (573847).

1265705 is an equidigital number, since it uses as much as digits as its factorization.

1265705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1265705 is about 1125.0355549937. The cubic root of 1265705 is about 108.1709968355.

The spelling of 1265705 in words is "one million, two hundred sixty-five thousand, seven hundred five".