12154056 has 32 divisors (see below), whose sum is σ = 31208640. Its totient is φ = 3941568.

The previous prime is 12154039. The next prime is 12154057. The reversal of 12154056 is 65045121.

12154056 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12154056² = 295442154502272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12154057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5956 + ... + 7731.

It is an arithmetic number, because the mean of its divisors is an integer number (975270).

Almost surely, 2^12154056 is an apocalyptic number.

It is an amenable number.

12154056 is an abundant number, since it is smaller than the sum of its proper divisors (19054584).

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

12154056 is a wasteful number, since it uses less digits than its factorization.

12154056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13733 (or 13729 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12154056 is about 3486.2667712038. The cubic root of 12154056 is about 229.9184083622.

Adding to 12154056 its reverse (65045121), we get a palindrome (77199177).

The spelling of 12154056 in words is "twelve million, one hundred fifty-four thousand, fifty-six".