12449811 has 12 divisors (see below), whose sum is σ = 18246536. Its totient is φ = 7545120.

The previous prime is 12449803. The next prime is 12449821. The reversal of 12449811 is 11894421.

It is not a de Polignac number, because 12449811 - 2³ = 12449803 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12449821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16786 + ... + 17511.

Almost surely, 2^12449811 is an apocalyptic number.

12449811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12449811 is a deficient number, since it is larger than the sum of its proper divisors (5796725).

12449811 is a wasteful number, since it uses less digits than its factorization.

12449811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34322 (or 34311 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 12449811 is about 3528.4289705193. The cubic root of 12449811 is about 231.7684161042.

The spelling of 12449811 in words is "twelve million, four hundred forty-nine thousand, eight hundred eleven".