1267380 has 48 divisors (see below), whose sum is σ = 3944640. Its totient is φ = 337824.

The previous prime is 1267349. The next prime is 1267381. The reversal of 1267380 is 837621.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267381) 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 15 ways as a sum of consecutive naturals, for example, 634 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (82180).

2^1267380 is an apocalyptic number.

1267380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1267380 is an abundant number, since it is smaller than the sum of its proper divisors (2677260).

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

1267380 is a wasteful number, since it uses less digits than its factorization.

1267380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1267380 is about 1125.7797297873. The cubic root of 1267380 is about 108.2186926658.

The spelling of 1267380 in words is "one million, two hundred sixty-seven thousand, three hundred eighty".