12154984 has 16 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 5757552.

The previous prime is 12154979. The next prime is 12154991. The reversal of 12154984 is 48945121.

It is a happy number.

12154984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39832 + ... + 40135.

It is an arithmetic number, because the mean of its divisors is an integer number (1499400).

Almost surely, 2^12154984 is an apocalyptic number.

It is an amenable number.

12154984 is a deficient number, since it is larger than the sum of its proper divisors (11835416).

12154984 is a wasteful number, since it uses less digits than its factorization.

12154984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79992 (or 79988 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 12154984 is about 3486.3998623222. The cubic root of 12154984 is about 229.9242598753.

The spelling of 12154984 in words is "twelve million, one hundred fifty-four thousand, nine hundred eighty-four".