12047490 has 96 divisors (see below), whose sum is σ = 38578176. Its totient is φ = 2540160.

The previous prime is 12047489. The next prime is 12047491. The reversal of 12047490 is 9474021.

It is a happy number.

12047490 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12047489) and next prime (12047491).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12047491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7455 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (401856).

Almost surely, 2^12047490 is an apocalyptic number.

12047490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12047490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19289088).

12047490 is an abundant number, since it is smaller than the sum of its proper divisors (26530686).

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

12047490 is a wasteful number, since it uses less digits than its factorization.

12047490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12047490 is about 3470.9494378340. The cubic root of 12047490 is about 229.2444647521.

The spelling of 12047490 in words is "twelve million, forty-seven thousand, four hundred ninety".