12247407 has 12 divisors (see below), whose sum is σ = 18169320. Its totient is φ = 7944048.

The previous prime is 12247369. The next prime is 12247409. The reversal of 12247407 is 70474221.

It is a happy number.

12247407 is a `hidden beast` number, since 12 + 247 + 407 = 666.

It is not a de Polignac number, because 12247407 - 2¹⁰ = 12246383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12247409) 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, 18057 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (1514110).

Almost surely, 2^12247407 is an apocalyptic number.

12247407 is a deficient number, since it is larger than the sum of its proper divisors (5921913).

12247407 is a wasteful number, since it uses less digits than its factorization.

12247407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36822 (or 36819 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 12247407 is about 3499.6295518240. The cubic root of 12247407 is about 230.5055483377.

The spelling of 12247407 in words is "twelve million, two hundred forty-seven thousand, four hundred seven".