12153911 has 12 divisors (see below), whose sum is σ = 15424200. Its totient is φ = 9470160.

The previous prime is 12153899. The next prime is 12153919. The reversal of 12153911 is 11935121.

It is not a de Polignac number, because 12153911 - 2⁶ = 12153847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10736 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (1285350).

Almost surely, 2^12153911 is an apocalyptic number.

12153911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12153911 is a deficient number, since it is larger than the sum of its proper divisors (3270289).

12153911 is a wasteful number, since it uses less digits than its factorization.

12153911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22574 (or 22567 counting only the distinct ones).

The product of its digits is 270, while the sum is 23.

The square root of 12153911 is about 3486.2459752576. The cubic root of 12153911 is about 229.9174940364.

The spelling of 12153911 in words is "twelve million, one hundred fifty-three thousand, nine hundred eleven".