12012407 has 8 divisors (see below), whose sum is σ = 13527552. Its totient is φ = 10567800.

The previous prime is 12012367. The next prime is 12012433. The reversal of 12012407 is 70421021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17273 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (1690944).

Almost surely, 2^12012407 is an apocalyptic number.

12012407 is a deficient number, since it is larger than the sum of its proper divisors (1515145).

12012407 is a wasteful number, since it uses less digits than its factorization.

12012407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35269.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12012407 is about 3465.8919486908. The cubic root of 12012407 is about 229.0217239423.

Adding to 12012407 its reverse (70421021), we get a palindrome (82433428).

It can be divided in two parts, 12012 and 407, that multiplied together give a palindrome (4888884).

The spelling of 12012407 in words is "twelve million, twelve thousand, four hundred seven".