12510478 has 16 divisors (see below), whose sum is σ = 19298160. Its totient is φ = 6080256.

The previous prime is 12510473. The next prime is 12510517. The reversal of 12510478 is 87401521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510473) 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, 10900 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (1206135).

Almost surely, 2^12510478 is an apocalyptic number.

12510478 is a deficient number, since it is larger than the sum of its proper divisors (6787682).

12510478 is a wasteful number, since it uses less digits than its factorization.

12510478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12510478 is about 3537.0154085047. The cubic root of 12510478 is about 232.1442696606.

Adding to 12510478 its reverse (87401521), we get a palindrome (99911999).

The spelling of 12510478 in words is "twelve million, five hundred ten thousand, four hundred seventy-eight".