12276156 has 48 divisors (see below), whose sum is σ = 30149504. Its totient is φ = 3882816.

The previous prime is 12276137. The next prime is 12276161. The reversal of 12276156 is 65167221.

It is a super-2 number, since 2×12276156² = 301408012272672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18771 + ... + 19413.

Almost surely, 2^12276156 is an apocalyptic number.

It is an amenable number.

12276156 is an abundant number, since it is smaller than the sum of its proper divisors (17873348).

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

12276156 is a wasteful number, since it uses less digits than its factorization.

12276156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 728 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 12276156 is about 3503.7345789885. The cubic root of 12276156 is about 230.6857667739.

The spelling of 12276156 in words is "twelve million, two hundred seventy-six thousand, one hundred fifty-six".