1236426 has 16 divisors (see below), whose sum is σ = 2485728. Its totient is φ = 410000.

The previous prime is 1236419. The next prime is 1236439. The reversal of 1236426 is 6246321.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1236396 and 1236405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (155358).

2^1236426 is an apocalyptic number.

1236426 is an abundant number, since it is smaller than the sum of its proper divisors (1249302).

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

1236426 is a wasteful number, since it uses less digits than its factorization.

1236426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077.

The product of its digits is 1728, while the sum is 24.

The square root of 1236426 is about 1111.9469411802. The cubic root of 1236426 is about 107.3303905507.

The spelling of 1236426 in words is "one million, two hundred thirty-six thousand, four hundred twenty-six".