12151506 has 8 divisors (see below), whose sum is σ = 24303024. Its totient is φ = 4050500.

The previous prime is 12151501. The next prime is 12151511. The reversal of 12151506 is 60515121.

It is an interprime number because it is at equal distance from previous prime (12151501) and next prime (12151511).

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

12151506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12151501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012620 + ... + 1012631.

It is an arithmetic number, because the mean of its divisors is an integer number (3037878).

Almost surely, 2^12151506 is an apocalyptic number.

12151506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12151506 is a wasteful number, since it uses less digits than its factorization.

12151506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025256.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 12151506 is about 3485.9010312974. The cubic root of 12151506 is about 229.9023277784.

Adding to 12151506 its reverse (60515121), we get a palindrome (72666627).

The spelling of 12151506 in words is "twelve million, one hundred fifty-one thousand, five hundred six".