12051276 has 12 divisors (see below), whose sum is σ = 28119672. Its totient is φ = 4017088.

The previous prime is 12051239. The next prime is 12051293. The reversal of 12051276 is 67215021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502125 + ... + 502148.

It is an arithmetic number, because the mean of its divisors is an integer number (2343306).

Almost surely, 2^12051276 is an apocalyptic number.

It is an amenable number.

12051276 is an abundant number, since it is smaller than the sum of its proper divisors (16068396).

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

12051276 is a wasteful number, since it uses less digits than its factorization.

12051276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004280 (or 1004278 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 12051276 is about 3471.4947789101. The cubic root of 12051276 is about 229.2684760785.

Adding to 12051276 its reverse (67215021), we get a palindrome (79266297).

The spelling of 12051276 in words is "twelve million, fifty-one thousand, two hundred seventy-six".