12153906 has 24 divisors (see below), whose sum is σ = 26608764. Its totient is φ = 4008960.

The previous prime is 12153899. The next prime is 12153919. The reversal of 12153906 is 60935121.

12153906 is a `hidden beast` number, since 121 + 539 + 0 + 6 = 666.

12153906 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11964681 + 189225 = 3459^2 + 435^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12153906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735 + ... + 5226.

Almost surely, 2^12153906 is an apocalyptic number.

12153906 is an abundant number, since it is smaller than the sum of its proper divisors (14454858).

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

12153906 is a wasteful number, since it uses less digits than its factorization.

12153906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066 (or 7063 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12153906 is about 3486.2452581538. The cubic root of 12153906 is about 229.9174625078.

The spelling of 12153906 in words is "twelve million, one hundred fifty-three thousand, nine hundred six".