1308672 has 72 divisors (see below), whose sum is σ = 3832920. Its totient is φ = 430080.

The previous prime is 1308649. The next prime is 1308691. The reversal of 1308672 is 2768031.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18397 + ... + 18467.

It is an arithmetic number, because the mean of its divisors is an integer number (53235).

2^1308672 is an apocalyptic number.

1308672 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 1308672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916460).

1308672 is an abundant number, since it is smaller than the sum of its proper divisors (2524248).

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

1308672 is an equidigital number, since it uses as much as digits as its factorization.

1308672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 76 counting only the distinct ones).

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

The square root of 1308672 is about 1143.9720276300. The cubic root of 1308672 is about 109.3814316762.

The spelling of 1308672 in words is "one million, three hundred eight thousand, six hundred seventy-two".