12056740 has 24 divisors (see below), whose sum is σ = 26809272. Its totient is φ = 4538880.

The previous prime is 12056731. The next prime is 12056749. The reversal of 12056740 is 4765021.

It is an interprime number because it is at equal distance from previous prime (12056731) and next prime (12056749).

It can be written as a sum of positive squares in 4 ways, for example, as 1982464 + 10074276 = 1408^2 + 3174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17391 + ... + 18070.

It is an arithmetic number, because the mean of its divisors is an integer number (1117053).

Almost surely, 2^12056740 is an apocalyptic number.

12056740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12056740 is an abundant number, since it is smaller than the sum of its proper divisors (14752532).

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

12056740 is a wasteful number, since it uses less digits than its factorization.

12056740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35487 (or 35485 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12056740 is about 3472.2816706022. The cubic root of 12056740 is about 229.3031206443.

The spelling of 12056740 in words is "twelve million, fifty-six thousand, seven hundred forty".