1266016 has 12 divisors (see below), whose sum is σ = 2492532. Its totient is φ = 632992.

The previous prime is 1265993. The next prime is 1266019. The reversal of 1266016 is 6106621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19750 + ... + 19813.

It is an arithmetic number, because the mean of its divisors is an integer number (207711).

2^1266016 is an apocalyptic number.

1266016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1266016 is a deficient number, since it is larger than the sum of its proper divisors (1226516).

1266016 is an equidigital number, since it uses as much as digits as its factorization.

1266016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39573 (or 39565 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1266016 is about 1125.1737643582. The cubic root of 1266016 is about 108.1798557784.

The spelling of 1266016 in words is "one million, two hundred sixty-six thousand, sixteen".