12047970 has 48 divisors (see below), whose sum is σ = 31792320. Its totient is φ = 2919840.

The previous prime is 12047941. The next prime is 12047983. The reversal of 12047970 is 7974021.

It is a super-2 number, since 2×12047970² = 290307162241800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1971 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (662340).

Almost surely, 2^12047970 is an apocalyptic number.

12047970 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 12047970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15896160).

12047970 is an abundant number, since it is smaller than the sum of its proper divisors (19744350).

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

12047970 is a wasteful number, since it uses less digits than its factorization.

12047970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12047970 is about 3471.0185824913. The cubic root of 12047970 is about 229.2475092558.

The spelling of 12047970 in words is "twelve million, forty-seven thousand, nine hundred seventy".