1373880 has 48 divisors (see below), whose sum is σ = 4160520. Its totient is φ = 362944.

The previous prime is 1373873. The next prime is 1373881. The reversal of 1373880 is 883731.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12787 + ... + 12893.

2^1373880 is an apocalyptic number.

1373880 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 1373880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080260).

1373880 is an abundant number, since it is smaller than the sum of its proper divisors (2786640).

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

1373880 is a wasteful number, since it uses less digits than its factorization.

1373880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1373880 is about 1172.1262730611. The cubic root of 1373880 is about 111.1688041125.

Multiplying 1373880 by its sum of digits (30), we get a square (41216400 = 6420²).

1373880 divided by its sum of digits (30) gives a square (45796 = 214²).

The spelling of 1373880 in words is "one million, three hundred seventy-three thousand, eight hundred eighty".