12210976 has 48 divisors (see below), whose sum is σ = 25691904. Its totient is φ = 5699584.

The previous prime is 12210973. The next prime is 12210983. The reversal of 12210976 is 67901221.

It is a happy number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210971) 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, 34416 + ... + 34768.

It is an arithmetic number, because the mean of its divisors is an integer number (535248).

Almost surely, 2^12210976 is an apocalyptic number.

12210976 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 12210976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12845952).

12210976 is an abundant number, since it is smaller than the sum of its proper divisors (13480928).

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

12210976 is a wasteful number, since it uses less digits than its factorization.

12210976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12210976 is about 3494.4206959094. The cubic root of 12210976 is about 230.2767682693.

The spelling of 12210976 in words is "twelve million, two hundred ten thousand, nine hundred seventy-six".