12490465 has 8 divisors (see below), whose sum is σ = 16141608. Its totient is φ = 9223680.

The previous prime is 12490463. The next prime is 12490483. The reversal of 12490465 is 56409421.

It can be written as a sum of positive squares in 4 ways, for example, as 1354896 + 11135569 = 1164^2 + 3337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12490465 - 2¹ = 12490463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12490463) 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, 96016 + ... + 96145.

It is an arithmetic number, because the mean of its divisors is an integer number (2017701).

Almost surely, 2^12490465 is an apocalyptic number.

It is an amenable number.

12490465 is a deficient number, since it is larger than the sum of its proper divisors (3651143).

12490465 is a wasteful number, since it uses less digits than its factorization.

12490465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192179.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 12490465 is about 3534.1851960530. The cubic root of 12490465 is about 232.0204166039.

Adding to 12490465 its reverse (56409421), we get a palindrome (68899886).

The spelling of 12490465 in words is "twelve million, four hundred ninety thousand, four hundred sixty-five".