12499641 has 48 divisors (see below), whose sum is σ = 23856768. Its totient is φ = 6105600.

The previous prime is 12499639. The next prime is 12499651. The reversal of 12499641 is 14699421.

It is a happy number.

12499641 is a `hidden beast` number, since 1 + 2 + 4 + 9 + 9 + 641 = 666.

12499641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12499641 - 2¹ = 12499639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12499596 and 12499605.

It is not an unprimeable number, because it can be changed into a prime (12499631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11251 + ... + 12311.

It is an arithmetic number, because the mean of its divisors is an integer number (497016).

Almost surely, 2^12499641 is an apocalyptic number.

12499641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12499641 is a deficient number, since it is larger than the sum of its proper divisors (11357127).

12499641 is a wasteful number, since it uses less digits than its factorization.

12499641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1099 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12499641 is about 3535.4831353013. The cubic root of 12499641 is about 232.0772198855.

The spelling of 12499641 in words is "twelve million, four hundred ninety-nine thousand, six hundred forty-one".