1267830 has 24 divisors (see below), whose sum is σ = 3296592. Its totient is φ = 338064.

The previous prime is 1267823. The next prime is 1267831. The reversal of 1267830 is 387621.

It is a junction number, because it is equal to n+sod(n) for n = 1267794 and 1267803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267831) 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 11 ways as a sum of consecutive naturals, for example, 6954 + ... + 7133.

It is an arithmetic number, because the mean of its divisors is an integer number (137358).

2^1267830 is an apocalyptic number.

1267830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1267830 is an abundant number, since it is smaller than the sum of its proper divisors (2028762).

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

1267830 is a wasteful number, since it uses less digits than its factorization.

1267830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14100 (or 14097 counting only the distinct ones).

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

The square root of 1267830 is about 1125.9795735270. The cubic root of 1267830 is about 108.2314993086.

The spelling of 1267830 in words is "one million, two hundred sixty-seven thousand, eight hundred thirty".