1266372 has 36 divisors (see below), whose sum is σ = 3314220. Its totient is φ = 407232.

The previous prime is 1266371. The next prime is 1266373. The reversal of 1266372 is 2736621.

It is a happy number.

1266372 is a `hidden beast` number, since 1 + 26 + 637 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1266371) and next prime (1266373).

It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 968256 = 546^2 + 984^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1266371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438 + ... + 1650.

2^1266372 is an apocalyptic number.

1266372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657110).

1266372 is an abundant number, since it is smaller than the sum of its proper divisors (2047848).

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

1266372 is a wasteful number, since it uses less digits than its factorization.

1266372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1247 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1266372 is about 1125.3319510260. The cubic root of 1266372 is about 108.1899947812.

The spelling of 1266372 in words is "one million, two hundred sixty-six thousand, three hundred seventy-two".