12063440 has 40 divisors (see below), whose sum is σ = 28344168. Its totient is φ = 4774400.

The previous prime is 12063439. The next prime is 12063451. The reversal of 12063440 is 4436021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6512704 + 5550736 = 2552^2 + 2356^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 7334 + ... + 8826.

Almost surely, 2^12063440 is an apocalyptic number.

12063440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12063440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14172084).

12063440 is an abundant number, since it is smaller than the sum of its proper divisors (16280728).

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

12063440 is a wasteful number, since it uses less digits than its factorization.

12063440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 12063440 is about 3473.2463200873. The cubic root of 12063440 is about 229.3455878014.

Adding to 12063440 its reverse (4436021), we get a palindrome (16499461).

It can be divided in two parts, 1206 and 3440, that multiplied together give a triangular number (4148640 = T₂₈₈₀).

The spelling of 12063440 in words is "twelve million, sixty-three thousand, four hundred forty".