12287541 has 16 divisors (see below), whose sum is σ = 18797184. Its totient is φ = 6993984.

The previous prime is 12287537. The next prime is 12287567. The reversal of 12287541 is 14578221.

It is not a de Polignac number, because 12287541 - 2² = 12287537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12287499 and 12287508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5155 + ... + 7151.

It is an arithmetic number, because the mean of its divisors is an integer number (1174824).

Almost surely, 2^12287541 is an apocalyptic number.

It is an amenable number.

12287541 is a deficient number, since it is larger than the sum of its proper divisors (6509643).

12287541 is a wasteful number, since it uses less digits than its factorization.

12287541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its digits is 4480, while the sum is 30.

The square root of 12287541 is about 3505.3588974597. The cubic root of 12287541 is about 230.7570579818.

The spelling of 12287541 in words is "twelve million, two hundred eighty-seven thousand, five hundred forty-one".