12948638 has 12 divisors (see below), whose sum is σ = 20093472. Its totient is φ = 6251760.

The previous prime is 12948629. The next prime is 12948647. The reversal of 12948638 is 83684921.

12948638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12948629) and next prime (12948647).

It is a junction number, because it is equal to n+sod(n) for n = 12948595 and 12948604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28106 + ... + 28562.

It is an arithmetic number, because the mean of its divisors is an integer number (1674456).

Almost surely, 2^12948638 is an apocalyptic number.

12948638 is a deficient number, since it is larger than the sum of its proper divisors (7144834).

12948638 is an frugal number, since it uses more digits than its factorization.

12948638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 490 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 12948638 is about 3598.4215984234. The cubic root of 12948638 is about 234.8233953047.

The spelling of 12948638 in words is "twelve million, nine hundred forty-eight thousand, six hundred thirty-eight".