1226436 has 12 divisors (see below), whose sum is σ = 2861712. Its totient is φ = 408808.

The previous prime is 1226417. The next prime is 1226461. The reversal of 1226436 is 6346221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 1 + 2⁷ + 2⁹ + 6² + 4¹⁰ + 3¹¹ + 6² .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51090 + ... + 51113.

It is an arithmetic number, because the mean of its divisors is an integer number (238476).

2^1226436 is an apocalyptic number.

It is an amenable number.

1226436 is an abundant number, since it is smaller than the sum of its proper divisors (1635276).

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

1226436 is a wasteful number, since it uses less digits than its factorization.

1226436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102210 (or 102208 counting only the distinct ones).

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

The square root of 1226436 is about 1107.4457097303. The cubic root of 1226436 is about 107.0405413089.

The spelling of 1226436 in words is "one million, two hundred twenty-six thousand, four hundred thirty-six".