12491464 has 32 divisors (see below), whose sum is σ = 25281720. Its totient is φ = 5764096.

The previous prime is 12491449. The next prime is 12491477. The reversal of 12491464 is 46419421.

It can be written as a sum of positive squares in 4 ways, for example, as 12180100 + 311364 = 3490^2 + 558^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6342 + ... + 8074.

Almost surely, 2^12491464 is an apocalyptic number.

It is an amenable number.

12491464 is an abundant number, since it is smaller than the sum of its proper divisors (12790256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12491464 is a wasteful number, since it uses less digits than its factorization.

12491464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1805 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12491464 is about 3534.3265270770. The cubic root of 12491464 is about 232.0266021814.

The spelling of 12491464 in words is "twelve million, four hundred ninety-one thousand, four hundred sixty-four".