12010656 has 96 divisors (see below), whose sum is σ = 36747648. Its totient is φ = 3363840.

The previous prime is 12010651. The next prime is 12010667. The reversal of 12010656 is 65601021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (12010651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40846 + ... + 41138.

It is an arithmetic number, because the mean of its divisors is an integer number (382788).

Almost surely, 2^12010656 is an apocalyptic number.

12010656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18373824).

12010656 is an abundant number, since it is smaller than the sum of its proper divisors (24736992).

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

12010656 is a wasteful number, since it uses less digits than its factorization.

12010656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12010656 is about 3465.6393349568. The cubic root of 12010656 is about 229.0105955447.

Adding to 12010656 its reverse (65601021), we get a palindrome (77611677).

The spelling of 12010656 in words is "twelve million, ten thousand, six hundred fifty-six".