1337994 has 72 divisors (see below), whose sum is σ = 3547908. Its totient is φ = 362880.

The previous prime is 1337989. The next prime is 1338013. The reversal of 1337994 is 4997331.

It can be written as a sum of positive squares in 2 ways, for example, as 1334025 + 3969 = 1155^2 + 63^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32614 + ... + 32654.

2^1337994 is an apocalyptic number.

1337994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1337994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1773954).

1337994 is an abundant number, since it is smaller than the sum of its proper divisors (2209914).

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

1337994 is a wasteful number, since it uses less digits than its factorization.

1337994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 90 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 1337994 is about 1156.7169057293. The cubic root of 1337994 is about 110.1923356802.

The spelling of 1337994 in words is "one million, three hundred thirty-seven thousand, nine hundred ninety-four".