12276480 has 144 divisors (see below), whose sum is σ = 41207040. Its totient is φ = 3108864.

The previous prime is 12276479. The next prime is 12276487. The reversal of 12276480 is 8467221.

It is a super-2 number, since 2×12276480² = 301423922380800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12276487) 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, 88251 + ... + 88389.

It is an arithmetic number, because the mean of its divisors is an integer number (286160).

Almost surely, 2^12276480 is an apocalyptic number.

12276480 is a gapful number since it is divisible by the number (10) 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 12276480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20603520).

12276480 is an abundant number, since it is smaller than the sum of its proper divisors (28930560).

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

12276480 is a wasteful number, since it uses less digits than its factorization.

12276480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12276480 is about 3503.7808150625. The cubic root of 12276480 is about 230.6877962238.

The spelling of 12276480 in words is "twelve million, two hundred seventy-six thousand, four hundred eighty".