1266353 has 4 divisors (see below), whose sum is σ = 1381488. Its totient is φ = 1151220.

The previous prime is 1266341. The next prime is 1266359. The reversal of 1266353 is 3536621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1266353 - 2⁴ = 1266337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1266359) 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, 57551 + ... + 57572.

It is an arithmetic number, because the mean of its divisors is an integer number (345372).

2^1266353 is an apocalyptic number.

It is an amenable number.

1266353 is a deficient number, since it is larger than the sum of its proper divisors (115135).

1266353 is a wasteful number, since it uses less digits than its factorization.

1266353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115134.

The product of its digits is 3240, while the sum is 26.

The square root of 1266353 is about 1125.3235090408. The cubic root of 1266353 is about 108.1894537027.

The spelling of 1266353 in words is "one million, two hundred sixty-six thousand, three hundred fifty-three".