1306872 has 48 divisors (see below), whose sum is σ = 4046640. Its totient is φ = 373248.

The previous prime is 1306853. The next prime is 1306873. The reversal of 1306872 is 2786031.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306873) 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, 793 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (84305).

2^1306872 is an apocalyptic number.

1306872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1306872 is an abundant number, since it is smaller than the sum of its proper divisors (2739768).

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

1306872 is a wasteful number, since it uses less digits than its factorization.

1306872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1306872 is about 1143.1850243946. The cubic root of 1306872 is about 109.3312594623.

The spelling of 1306872 in words is "one million, three hundred six thousand, eight hundred seventy-two".