1308664 has 16 divisors (see below), whose sum is σ = 2804400. Its totient is φ = 560832.

The previous prime is 1308649. The next prime is 1308691. The reversal of 1308664 is 4668031.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 11629 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (175275).

2^1308664 is an apocalyptic number.

1308664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1308664 is an abundant number, since it is smaller than the sum of its proper divisors (1495736).

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

1308664 is a wasteful number, since it uses less digits than its factorization.

1308664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23382 (or 23378 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1308664 is about 1143.9685310357. The cubic root of 1308664 is about 109.3812087904.

The spelling of 1308664 in words is "one million, three hundred eight thousand, six hundred sixty-four".