12497641 has 8 divisors (see below), whose sum is σ = 13491464. Its totient is φ = 11508480.

The previous prime is 12497627. The next prime is 12497651. The reversal of 12497641 is 14679421.

It can be written as a sum of positive squares in 4 ways, for example, as 275625 + 12222016 = 525^2 + 3496^2 .

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 12497641 - 2⁹ = 12497129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12497597 and 12497606.

It is not an unprimeable number, because it can be changed into a prime (12497621) 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, 6145 + ... + 7921.

It is an arithmetic number, because the mean of its divisors is an integer number (1686433).

Almost surely, 2^12497641 is an apocalyptic number.

It is an amenable number.

12497641 is a deficient number, since it is larger than the sum of its proper divisors (993823).

12497641 is a wasteful number, since it uses less digits than its factorization.

12497641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its digits is 12096, while the sum is 34.

The square root of 12497641 is about 3535.2002772120. The cubic root of 12497641 is about 232.0648414181.

The spelling of 12497641 in words is "twelve million, four hundred ninety-seven thousand, six hundred forty-one".