12689948 has 12 divisors (see below), whose sum is σ = 23376360. Its totient is φ = 6010992.

The previous prime is 12689923. The next prime is 12689969. The reversal of 12689948 is 84998621.

It is a super-2 number, since 2×12689948² = 322069560485408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83411 + ... + 83562.

It is an arithmetic number, because the mean of its divisors is an integer number (1948030).

Almost surely, 2^12689948 is an apocalyptic number.

It is an amenable number.

12689948 is a deficient number, since it is larger than the sum of its proper divisors (10686412).

12689948 is a wasteful number, since it uses less digits than its factorization.

12689948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166996 (or 166994 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 12689948 is about 3562.2953274539. The cubic root of 12689948 is about 233.2490843233.

The spelling of 12689948 in words is "twelve million, six hundred eighty-nine thousand, nine hundred forty-eight".