12151441 has 4 divisors (see below), whose sum is σ = 12183552. Its totient is φ = 12119332.

The previous prime is 12151417. The next prime is 12151453. The reversal of 12151441 is 14415121.

12151441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14415121 = 7 ⋅2059303.

It is a cyclic number.

It is not a de Polignac number, because 12151441 - 2⁵ = 12151409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12151471) 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, 15481 + ... + 16246.

It is an arithmetic number, because the mean of its divisors is an integer number (3045888).

Almost surely, 2^12151441 is an apocalyptic number.

It is an amenable number.

12151441 is a deficient number, since it is larger than the sum of its proper divisors (32111).

12151441 is an equidigital number, since it uses as much as digits as its factorization.

12151441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32110.

The product of its digits is 160, while the sum is 19.

The square root of 12151441 is about 3485.8917080139. The cubic root of 12151441 is about 229.9019178517.

Adding to 12151441 its reverse (14415121), we get a palindrome (26566562).

The spelling of 12151441 in words is "twelve million, one hundred fifty-one thousand, four hundred forty-one".