12141505 has 8 divisors (see below), whose sum is σ = 14845032. Its totient is φ = 9529728.

The previous prime is 12141499. The next prime is 12141509. The reversal of 12141505 is 50514121.

It can be written as a sum of positive squares in 4 ways, for example, as 4562496 + 7579009 = 2136^2 + 2753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12141505 - 2⁷ = 12141377 is a prime.

It is a super-2 number, since 2×12141505² = 294832287330050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12141509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22644 + ... + 23173.

It is an arithmetic number, because the mean of its divisors is an integer number (1855629).

Almost surely, 2^12141505 is an apocalyptic number.

It is an amenable number.

12141505 is a deficient number, since it is larger than the sum of its proper divisors (2703527).

12141505 is an equidigital number, since it uses as much as digits as its factorization.

12141505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45875.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 12141505 is about 3484.4662432000. The cubic root of 12141505 is about 229.8392386367.

Adding to 12141505 its reverse (50514121), we get a palindrome (62655626).

The spelling of 12141505 in words is "twelve million, one hundred forty-one thousand, five hundred five".