12407229 has 16 divisors (see below), whose sum is σ = 19463040. Its totient is φ = 7784640.

The previous prime is 12407221. The next prime is 12407233. The reversal of 12407229 is 92270421.

It is not a de Polignac number, because 12407229 - 2³ = 12407221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407221) 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, 13057 + ... + 13974.

It is an arithmetic number, because the mean of its divisors is an integer number (1216440).

Almost surely, 2^12407229 is an apocalyptic number.

It is an amenable number.

12407229 is a deficient number, since it is larger than the sum of its proper divisors (7055811).

12407229 is a wasteful number, since it uses less digits than its factorization.

12407229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27057 (or 27051 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12407229 is about 3522.3896717995. The cubic root of 12407229 is about 231.5038756510.

The spelling of 12407229 in words is "twelve million, four hundred seven thousand, two hundred twenty-nine".