12920076 has 72 divisors (see below), whose sum is σ = 37047920. Its totient is φ = 3763584.

The previous prime is 12920071. The next prime is 12920093. The reversal of 12920076 is 67002921.

It is not an unprimeable number, because it can be changed into a prime (12920071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8166 + ... + 9618.

Almost surely, 2^12920076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12920076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18523960).

12920076 is an abundant number, since it is smaller than the sum of its proper divisors (24127844).

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

12920076 is a wasteful number, since it uses less digits than its factorization.

12920076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12920076 is about 3594.4507229895. The cubic root of 12920076 is about 234.6506110242.

Adding to 12920076 its reverse (67002921), we get a palindrome (79922997).

The spelling of 12920076 in words is "twelve million, nine hundred twenty thousand, seventy-six".