1372380 has 48 divisors (see below), whose sum is σ = 3900960. Its totient is φ = 360448.

The previous prime is 1372379. The next prime is 1372391. The reversal of 1372380 is 832731.

It is a self number, because there is not a number n which added to its sum of digits gives 1372380.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5212 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (81270).

2^1372380 is an apocalyptic number.

1372380 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 1372380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950480).

1372380 is an abundant number, since it is smaller than the sum of its proper divisors (2528580).

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

1372380 is a wasteful number, since it uses less digits than its factorization.

1372380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1372380 is about 1171.4862355145. The cubic root of 1372380 is about 111.1283314051.

The spelling of 1372380 in words is "one million, three hundred seventy-two thousand, three hundred eighty".