12169151 has 4 divisors (see below), whose sum is σ = 12185904. Its totient is φ = 12152400.

The previous prime is 12169133. The next prime is 12169153. The reversal of 12169151 is 15196121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12169151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12169151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12169153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7235 + ... + 8756.

It is an arithmetic number, because the mean of its divisors is an integer number (3046476).

Almost surely, 2^12169151 is an apocalyptic number.

12169151 is a deficient number, since it is larger than the sum of its proper divisors (16753).

12169151 is an equidigital number, since it uses as much as digits as its factorization.

12169151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752.

The product of its digits is 540, while the sum is 26.

The square root of 12169151 is about 3488.4310226805. The cubic root of 12169151 is about 230.0135530766.

The spelling of 12169151 in words is "twelve million, one hundred sixty-nine thousand, one hundred fifty-one".