12503465 has 12 divisors (see below), whose sum is σ = 16248204. Its totient is φ = 9232704.

The previous prime is 12503461. The next prime is 12503489. The reversal of 12503465 is 56430521.

It can be written as a sum of positive squares in 6 ways, for example, as 3182656 + 9320809 = 1784^2 + 3053^2 .

It is not a de Polignac number, because 12503465 - 2² = 12503461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12503461) 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, 6554 + ... + 8243.

It is an arithmetic number, because the mean of its divisors is an integer number (1354017).

Almost surely, 2^12503465 is an apocalyptic number.

It is an amenable number.

12503465 is a deficient number, since it is larger than the sum of its proper divisors (3744739).

12503465 is a wasteful number, since it uses less digits than its factorization.

12503465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14828 (or 14815 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12503465 is about 3536.0238969781. The cubic root of 12503465 is about 232.1008838399.

Adding to 12503465 its reverse (56430521), we get a palindrome (68933986).

The spelling of 12503465 in words is "twelve million, five hundred three thousand, four hundred sixty-five".