1246428 has 30 divisors (see below), whose sum is σ = 3259256. Its totient is φ = 415368.

The previous prime is 1246397. The next prime is 1246429. The reversal of 1246428 is 8246421.

1246428 is a `hidden beast` number, since 12 + 4 + 642 + 8 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (1246429) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1600 + ... + 2247.

2^1246428 is an apocalyptic number.

1246428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1246428 is an abundant number, since it is smaller than the sum of its proper divisors (2012828).

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

1246428 is a wasteful number, since it uses less digits than its factorization.

1246428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863 (or 3852 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1246428 is about 1116.4353989372. The cubic root of 1246428 is about 107.6190280652.

1246428 divided by its sum of digits (27) gives a palindrome (46164).

The spelling of 1246428 in words is "one million, two hundred forty-six thousand, four hundred twenty-eight".