12672407 has 4 divisors (see below), whose sum is σ = 13824456. Its totient is φ = 11520360.

The previous prime is 12672383. The next prime is 12672409. The reversal of 12672407 is 70427621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12672407 - 2⁶ = 12672343 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 12672407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12672409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576008 + ... + 576029.

It is an arithmetic number, because the mean of its divisors is an integer number (3456114).

Almost surely, 2^12672407 is an apocalyptic number.

12672407 is a deficient number, since it is larger than the sum of its proper divisors (1152049).

12672407 is a wasteful number, since it uses less digits than its factorization.

12672407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152048.

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

The square root of 12672407 is about 3559.8324398769. The cubic root of 12672407 is about 233.1415632945.

The spelling of 12672407 in words is "twelve million, six hundred seventy-two thousand, four hundred seven".