1267406 has 8 divisors (see below), whose sum is σ = 2172720. Its totient is φ = 543168.

The previous prime is 1267403. The next prime is 1267411. The reversal of 1267406 is 6047621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45251 + ... + 45278.

It is an arithmetic number, because the mean of its divisors is an integer number (271590).

2^1267406 is an apocalyptic number.

1267406 is a deficient number, since it is larger than the sum of its proper divisors (905314).

1267406 is an equidigital number, since it uses as much as digits as its factorization.

1267406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90538.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1267406 is about 1125.7912772801. The cubic root of 1267406 is about 108.2194326876.

It can be divided in two parts, 126 and 7406, that multiplied together give a square (933156 = 966²).

The spelling of 1267406 in words is "one million, two hundred sixty-seven thousand, four hundred six".