12156414 has 8 divisors (see below), whose sum is σ = 24312840. Its totient is φ = 4052136.

The previous prime is 12156383. The next prime is 12156439. The reversal of 12156414 is 41465121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12156414 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013029 + ... + 1013040.

It is an arithmetic number, because the mean of its divisors is an integer number (3039105).

Almost surely, 2^12156414 is an apocalyptic number.

12156414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12156414 is a wasteful number, since it uses less digits than its factorization.

12156414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026074.

The product of its digits is 960, while the sum is 24.

The square root of 12156414 is about 3486.6049389055. The cubic root of 12156414 is about 229.9332761712.

The spelling of 12156414 in words is "twelve million, one hundred fifty-six thousand, four hundred fourteen".