12038740 has 24 divisors (see below), whose sum is σ = 28893312. Its totient is φ = 4127520.

The previous prime is 12038717. The next prime is 12038749. The reversal of 12038740 is 4783021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12038749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42856 + ... + 43135.

It is an arithmetic number, because the mean of its divisors is an integer number (1203888).

Almost surely, 2^12038740 is an apocalyptic number.

12038740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12038740 is an abundant number, since it is smaller than the sum of its proper divisors (16854572).

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

12038740 is a wasteful number, since it uses less digits than its factorization.

12038740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86007 (or 86005 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12038740 is about 3469.6887468475. The cubic root of 12038740 is about 229.1889518090.

The spelling of 12038740 in words is "twelve million, thirty-eight thousand, seven hundred forty".