12503464 has 8 divisors (see below), whose sum is σ = 23444010. Its totient is φ = 6251728.

The previous prime is 12503461. The next prime is 12503489. The reversal of 12503464 is 46430521.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 656100 = 3442^2 + 810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12503464² = 312673223998592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12503461) by changing a digit.

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 as a sum of consecutive naturals, namely, 781459 + ... + 781474.

Almost surely, 2^12503464 is an apocalyptic number.

It is an amenable number.

12503464 is a deficient number, since it is larger than the sum of its proper divisors (10940546).

12503464 is a wasteful number, since it uses less digits than its factorization.

12503464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562939 (or 1562935 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12503464 is about 3536.0237555763. The cubic root of 12503464 is about 232.1008776523.

Adding to 12503464 its reverse (46430521), we get a palindrome (58933985).

The spelling of 12503464 in words is "twelve million, five hundred three thousand, four hundred sixty-four".