12354156 has 36 divisors (see below), whose sum is σ = 31335304. Its totient is φ = 4104000.

The previous prime is 12354143. The next prime is 12354157. The reversal of 12354156 is 65145321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20256 + ... + 20856.

Almost surely, 2^12354156 is an apocalyptic number.

It is an amenable number.

12354156 is an abundant number, since it is smaller than the sum of its proper divisors (18981148).

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

12354156 is a wasteful number, since it uses less digits than its factorization.

12354156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1177 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 12354156 is about 3514.8479341218. The cubic root of 12354156 is about 231.1733112155.

Adding to 12354156 its reverse (65145321), we get a palindrome (77499477).

The spelling of 12354156 in words is "twelve million, three hundred fifty-four thousand, one hundred fifty-six".