12157052 has 6 divisors (see below), whose sum is σ = 21274848. Its totient is φ = 6078524.

The previous prime is 12157049. The next prime is 12157063. The reversal of 12157052 is 25075121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1519628 + ... + 1519635.

It is an arithmetic number, because the mean of its divisors is an integer number (3545808).

Almost surely, 2^12157052 is an apocalyptic number.

It is an amenable number.

12157052 is a deficient number, since it is larger than the sum of its proper divisors (9117796).

12157052 is a wasteful number, since it uses less digits than its factorization.

12157052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039267 (or 3039265 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 12157052 is about 3486.6964307206. The cubic root of 12157052 is about 229.9372985982.

The spelling of 12157052 in words is "twelve million, one hundred fifty-seven thousand, fifty-two".