1266570 has 32 divisors (see below), whose sum is σ = 3378240. Its totient is φ = 337680.

The previous prime is 1266563. The next prime is 1266583. The reversal of 1266570 is 756621.

1266570 is a `hidden beast` number, since 1 + 2 + 6 + 657 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2076 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (105570).

2^1266570 is an apocalyptic number.

1266570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1266570 is an abundant number, since it is smaller than the sum of its proper divisors (2111670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266570 is a wasteful number, since it uses less digits than its factorization.

1266570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1266570 is about 1125.4199216293. The cubic root of 1266570 is about 108.1956330672.

The spelling of 1266570 in words is "one million, two hundred sixty-six thousand, five hundred seventy".