12024390 has 32 divisors (see below), whose sum is σ = 32981760. Its totient is φ = 2748384.

The previous prime is 12024361. The next prime is 12024407. The reversal of 12024390 is 9342021.

It is a Harshad number since it is a multiple of its sum of digits (21).

12024390 is a modest number, since divided by 24390 gives 120 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28420 + ... + 28839.

It is an arithmetic number, because the mean of its divisors is an integer number (1030680).

Almost surely, 2^12024390 is an apocalyptic number.

12024390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12024390 is an abundant number, since it is smaller than the sum of its proper divisors (20957370).

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

12024390 is a wasteful number, since it uses less digits than its factorization.

12024390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57276.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12024390 is about 3467.6202214199. The cubic root of 12024390 is about 229.0978523228.

The spelling of 12024390 in words is "twelve million, twenty-four thousand, three hundred ninety".