12053340 has 192 divisors, whose sum is σ = 43182720. Its totient is φ = 2764800.

The previous prime is 12053339. The next prime is 12053341. The reversal of 12053340 is 4335021.

It is an interprime number because it is at equal distance from previous prime (12053339) and next prime (12053341).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119290 + ... + 119390.

It is an arithmetic number, because the mean of its divisors is an integer number (224910).

Almost surely, 2^12053340 is an apocalyptic number.

12053340 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 12053340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21591360).

12053340 is an abundant number, since it is smaller than the sum of its proper divisors (31129380).

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

12053340 is a wasteful number, since it uses less digits than its factorization.

12053340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12053340 is about 3471.7920444635. The cubic root of 12053340 is about 229.2815641289.

Adding to 12053340 its reverse (4335021), we get a palindrome (16388361).

The spelling of 12053340 in words is "twelve million, fifty-three thousand, three hundred forty".