1372280 has 96 divisors (see below), whose sum is σ = 3952800. Its totient is φ = 419328.

The previous prime is 1372271. The next prime is 1372303. The reversal of 1372280 is 822731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47306 + ... + 47334.

It is an arithmetic number, because the mean of its divisors is an integer number (41175).

2^1372280 is an apocalyptic number.

1372280 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 1372280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976400).

1372280 is an abundant number, since it is smaller than the sum of its proper divisors (2580520).

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

1372280 is a wasteful number, since it uses less digits than its factorization.

1372280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1372280 is about 1171.4435539112. The cubic root of 1372280 is about 111.1256321762.

The spelling of 1372280 in words is "one million, three hundred seventy-two thousand, two hundred eighty".