12156034 has 16 divisors (see below), whose sum is σ = 19945440. Its totient is φ = 5510560.

The previous prime is 12156031. The next prime is 12156043. The reversal of 12156034 is 43065121.

12156034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12155996 and 12156014.

It is not an unprimeable number, because it can be changed into a prime (12156031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14622 + ... + 15430.

It is an arithmetic number, because the mean of its divisors is an integer number (1246590).

Almost surely, 2^12156034 is an apocalyptic number.

12156034 is a deficient number, since it is larger than the sum of its proper divisors (7789406).

12156034 is a wasteful number, since it uses less digits than its factorization.

12156034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12156034 is about 3486.5504442070. The cubic root of 12156034 is about 229.9308803014.

The spelling of 12156034 in words is "twelve million, one hundred fifty-six thousand, thirty-four".