12151606 has 4 divisors (see below), whose sum is σ = 18227412. Its totient is φ = 6075802.

The previous prime is 12151603. The next prime is 12151637. The reversal of 12151606 is 60615121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3037900 + ... + 3037903.

It is an arithmetic number, because the mean of its divisors is an integer number (4556853).

Almost surely, 2^12151606 is an apocalyptic number.

12151606 is a deficient number, since it is larger than the sum of its proper divisors (6075806).

12151606 is an equidigital number, since it uses as much as digits as its factorization.

12151606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075805.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12151606 is about 3485.9153747617. The cubic root of 12151606 is about 229.9029584319.

Adding to 12151606 its reverse (60615121), we get a palindrome (72766727).

The spelling of 12151606 in words is "twelve million, one hundred fifty-one thousand, six hundred six".