12154996 has 12 divisors (see below), whose sum is σ = 24310048. Its totient is φ = 5209272.

The previous prime is 12154993. The next prime is 12155021. The reversal of 12154996 is 69945121.

12154996 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154991) 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, 217026 + ... + 217081.

Almost surely, 2^12154996 is an apocalyptic number.

It is an amenable number.

12154996 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.

12154996 is a wasteful number, since it uses less digits than its factorization.

12154996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434118 (or 434116 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 12154996 is about 3486.4015832947. The cubic root of 12154996 is about 229.9243355394.

The spelling of 12154996 in words is "twelve million, one hundred fifty-four thousand, nine hundred ninety-six".