1337988 has 24 divisors (see below), whose sum is σ = 3195808. Its totient is φ = 435456.

The previous prime is 1337983. The next prime is 1337989. The reversal of 1337988 is 8897331.

It is not an unprimeable number, because it can be changed into a prime (1337981) 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, 781 + ... + 1812.

2^1337988 is an apocalyptic number.

It is an amenable number.

1337988 is an abundant number, since it is smaller than the sum of its proper divisors (1857820).

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

1337988 is a wasteful number, since it uses less digits than its factorization.

1337988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2641 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 1337988 is about 1156.7143121791. The cubic root of 1337988 is about 110.1921709672.

The spelling of 1337988 in words is "one million, three hundred thirty-seven thousand, nine hundred eighty-eight".