1373000 has 32 divisors (see below), whose sum is σ = 3215160. Its totient is φ = 548800.

The previous prime is 1372999. The next prime is 1373027. The reversal of 1373000 is 3731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 857476 + 515524 = 926^2 + 718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 1686.

2^1373000 is an apocalyptic number.

1373000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607580).

1373000 is an abundant number, since it is smaller than the sum of its proper divisors (1842160).

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

1373000 is a wasteful number, since it uses less digits than its factorization.

1373000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 1373000 is about 1171.7508267546. The cubic root of 1373000 is about 111.1450636980.

Adding to 1373000 its reverse (3731), we get a palindrome (1376731).

The spelling of 1373000 in words is "one million, three hundred seventy-three thousand".