1297380 has 48 divisors (see below), whose sum is σ = 4152960. Its totient is φ = 296448.

The previous prime is 1297369. The next prime is 1297393. The reversal of 1297380 is 837921.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125 + ... + 1964.

It is an arithmetic number, because the mean of its divisors is an integer number (86520).

2^1297380 is an apocalyptic number.

1297380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1297380 is an abundant number, since it is smaller than the sum of its proper divisors (2855580).

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

1297380 is a wasteful number, since it uses less digits than its factorization.

1297380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1297380 is about 1139.0258996177. The cubic root of 1297380 is about 109.0659197812.

The spelling of 1297380 in words is "one million, two hundred ninety-seven thousand, three hundred eighty".