12541432 has 8 divisors (see below), whose sum is σ = 23515200. Its totient is φ = 6270712.

The previous prime is 12541411. The next prime is 12541439. The reversal of 12541432 is 23414521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12541432² = 314575033221248, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 783832 + ... + 783847.

It is an arithmetic number, because the mean of its divisors is an integer number (2939400).

Almost surely, 2^12541432 is an apocalyptic number.

It is an amenable number.

12541432 is a deficient number, since it is larger than the sum of its proper divisors (10973768).

12541432 is a wasteful number, since it uses less digits than its factorization.

12541432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567685 (or 1567681 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 12541432 is about 3541.3884282863. The cubic root of 12541432 is about 232.3355726463.

Adding to 12541432 its reverse (23414521), we get a palindrome (35955953).

The spelling of 12541432 in words is "twelve million, five hundred forty-one thousand, four hundred thirty-two".