1265947 has 8 divisors (see below), whose sum is σ = 1323392. Its totient is φ = 1209600.

The previous prime is 1265941. The next prime is 1265959. The reversal of 1265947 is 7495621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1265947 - 2¹⁵ = 1233179 is a prime.

It is a Duffinian number.

1265947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1265941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2797 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (165424).

2^1265947 is an apocalyptic number.

1265947 is a deficient number, since it is larger than the sum of its proper divisors (57445).

1265947 is an equidigital number, since it uses as much as digits as its factorization.

1265947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its digits is 15120, while the sum is 34.

The square root of 1265947 is about 1125.1431020097. The cubic root of 1265947 is about 108.1778904147.

The spelling of 1265947 in words is "one million, two hundred sixty-five thousand, nine hundred forty-seven".