12481811 has 8 divisors (see below), whose sum is σ = 12680448. Its totient is φ = 12285000.

The previous prime is 12481793. The next prime is 12481823. The reversal of 12481811 is 11818421.

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 12481811 - 2²² = 8287507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12481831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19466 + ... + 20096.

It is an arithmetic number, because the mean of its divisors is an integer number (1585056).

Almost surely, 2^12481811 is an apocalyptic number.

12481811 is a deficient number, since it is larger than the sum of its proper divisors (198637).

12481811 is a wasteful number, since it uses less digits than its factorization.

12481811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its digits is 512, while the sum is 26.

The square root of 12481811 is about 3532.9606564467. The cubic root of 12481811 is about 231.9668192242.

The spelling of 12481811 in words is "twelve million, four hundred eighty-one thousand, eight hundred eleven".