12276407 has 12 divisors (see below), whose sum is σ = 14472024. Its totient is φ = 10266720.

The previous prime is 12276401. The next prime is 12276409. The reversal of 12276407 is 70467221.

It is not a de Polignac number, because 12276407 - 2¹⁶ = 12210871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12276407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41753 + ... + 42045.

It is an arithmetic number, because the mean of its divisors is an integer number (1206002).

Almost surely, 2^12276407 is an apocalyptic number.

12276407 is a deficient number, since it is larger than the sum of its proper divisors (2195617).

12276407 is an equidigital number, since it uses as much as digits as its factorization.

12276407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12276407 is about 3503.7703977287. The cubic root of 12276407 is about 230.6873389743.

The spelling of 12276407 in words is "twelve million, two hundred seventy-six thousand, four hundred seven".