1246400412 has 24 divisors (see below), whose sum is σ = 2911885200. Its totient is φ = 414950016.

The previous prime is 1246400401. The next prime is 1246400423. The reversal of 1246400412 is 2140046421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1246400401) and next prime (1246400423).

It is a congruent number.

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, 54487 + ... + 73902.

It is an arithmetic number, because the mean of its divisors is an integer number (121328550).

Almost surely, 2^1246400412 is an apocalyptic number.

1246400412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1246400412 is an abundant number, since it is smaller than the sum of its proper divisors (1665484788).

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

1246400412 is a wasteful number, since it uses less digits than its factorization.

1246400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129205 (or 129203 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1246400412 is about 35304.3964967538. The cubic root of 1246400412 is about 1076.1823405878.

Adding to 1246400412 its reverse (2140046421), we get a palindrome (3386446833).

The spelling of 1246400412 in words is "one billion, two hundred forty-six million, four hundred thousand, four hundred twelve".