12155046 has 16 divisors (see below), whose sum is σ = 24827904. Its totient is φ = 3965384.

The previous prime is 12155029. The next prime is 12155057. The reversal of 12155046 is 64055121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21270 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (1551744).

Almost surely, 2^12155046 is an apocalyptic number.

12155046 is an abundant number, since it is smaller than the sum of its proper divisors (12672858).

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

12155046 is a wasteful number, since it uses less digits than its factorization.

12155046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43155.

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

The square root of 12155046 is about 3486.4087540046. The cubic root of 12155046 is about 229.9246508063.

The spelling of 12155046 in words is "twelve million, one hundred fifty-five thousand, forty-six".