1308988 has 6 divisors (see below), whose sum is σ = 2290736. Its totient is φ = 654492.

The previous prime is 1308977. The next prime is 1309013. The reversal of 1308988 is 8898031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163620 + ... + 163627.

2^1308988 is an apocalyptic number.

It is an amenable number.

1308988 is a deficient number, since it is larger than the sum of its proper divisors (981748).

1308988 is a wasteful number, since it uses less digits than its factorization.

1308988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327251 (or 327249 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1308988 is about 1144.1101345587. The cubic root of 1308988 is about 109.3902349390.

The spelling of 1308988 in words is "one million, three hundred eight thousand, nine hundred eighty-eight".