1320276 has 12 divisors (see below), whose sum is σ = 3080672. Its totient is φ = 440088.

The previous prime is 1320251. The next prime is 1320287. The reversal of 1320276 is 6720231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55000 + ... + 55023.

2^1320276 is an apocalyptic number.

It is an amenable number.

1320276 is an abundant number, since it is smaller than the sum of its proper divisors (1760396).

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

1320276 is a wasteful number, since it uses less digits than its factorization.

1320276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110030 (or 110028 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1320276 is about 1149.0326366122. The cubic root of 1320276 is about 109.7037760038.

It can be divided in two parts, 1320 and 276, that added together give a triangular number (1596 = T₅₆).

The spelling of 1320276 in words is "one million, three hundred twenty thousand, two hundred seventy-six".