1266479 has 4 divisors (see below), whose sum is σ = 1295976. Its totient is φ = 1236984.

The previous prime is 1266469. The next prime is 1266487. The reversal of 1266479 is 9746621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9746621 = 167 ⋅58363.

It is a cyclic number.

It is not a de Polignac number, because 1266479 - 2¹⁶ = 1200943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14684 + ... + 14769.

It is an arithmetic number, because the mean of its divisors is an integer number (323994).

2^1266479 is an apocalyptic number.

1266479 is a deficient number, since it is larger than the sum of its proper divisors (29497).

1266479 is an equidigital number, since it uses as much as digits as its factorization.

1266479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29496.

The product of its digits is 18144, while the sum is 35.

The square root of 1266479 is about 1125.3794915494. The cubic root of 1266479 is about 108.1930418067.

The spelling of 1266479 in words is "one million, two hundred sixty-six thousand, four hundred seventy-nine".