12136406 has 8 divisors (see below), whose sum is σ = 18628104. Its totient is φ = 5927040.

The previous prime is 12136403. The next prime is 12136441. The reversal of 12136406 is 60463121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70475 + ... + 70646.

It is an arithmetic number, because the mean of its divisors is an integer number (2328513).

Almost surely, 2^12136406 is an apocalyptic number.

12136406 is a deficient number, since it is larger than the sum of its proper divisors (6491698).

12136406 is a wasteful number, since it uses less digits than its factorization.

12136406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141166.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12136406 is about 3483.7344904570. The cubic root of 12136406 is about 229.8070593647.

Adding to 12136406 its reverse (60463121), we get a palindrome (72599527).

The spelling of 12136406 in words is "twelve million, one hundred thirty-six thousand, four hundred six".