1397180 has 12 divisors (see below), whose sum is σ = 2934120. Its totient is φ = 558864.

The previous prime is 1397177. The next prime is 1397189. The reversal of 1397180 is 817931.

It is a super-2 number, since 2×1397180² = 3904223904800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397189) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34910 + ... + 34949.

It is an arithmetic number, because the mean of its divisors is an integer number (244510).

2^1397180 is an apocalyptic number.

1397180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397180 is an abundant number, since it is smaller than the sum of its proper divisors (1536940).

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

1397180 is a wasteful number, since it uses less digits than its factorization.

1397180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69868 (or 69866 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1397180 is about 1182.0236884259. The cubic root of 1397180 is about 111.7937317475.

The spelling of 1397180 in words is "one million, three hundred ninety-seven thousand, one hundred eighty".