1308648 has 32 divisors (see below), whose sum is σ = 3569760. Its totient is φ = 396480.

The previous prime is 1308647. The next prime is 1308649. The reversal of 1308648 is 8468031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1308647) and next prime (1308649).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1308647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (111555).

2^1308648 is an apocalyptic number.

It is an amenable number.

1308648 is an abundant number, since it is smaller than the sum of its proper divisors (2261112).

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

1308648 is a wasteful number, since it uses less digits than its factorization.

1308648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1308648 is about 1143.9615378150. The cubic root of 1308648 is about 109.3807630161.

It can be divided in two parts, 130 and 8648, that added together give a palindrome (8778).

The spelling of 1308648 in words is "one million, three hundred eight thousand, six hundred forty-eight".