1303872 has 28 divisors (see below), whose sum is σ = 3450336. Its totient is φ = 434560.

The previous prime is 1303871. The next prime is 1303873. The reversal of 1303872 is 2783031.

It is an interprime number because it is at equal distance from previous prime (1303871) and next prime (1303873).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303871) 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, 3204 + ... + 3587.

2^1303872 is an apocalyptic number.

1303872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303872 is an abundant number, since it is smaller than the sum of its proper divisors (2146464).

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

1303872 is an equidigital number, since it uses as much as digits as its factorization.

1303872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806 (or 6796 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1303872 is about 1141.8721469587. The cubic root of 1303872 is about 109.2475366302.

The spelling of 1303872 in words is "one million, three hundred three thousand, eight hundred seventy-two".