12649276 has 6 divisors (see below), whose sum is σ = 22136240. Its totient is φ = 6324636.

The previous prime is 12649261. The next prime is 12649277. The reversal of 12649276 is 67294621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12649277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581156 + ... + 1581163.

Almost surely, 2^12649276 is an apocalyptic number.

It is an amenable number.

12649276 is a deficient number, since it is larger than the sum of its proper divisors (9486964).

12649276 is a wasteful number, since it uses less digits than its factorization.

12649276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162323 (or 3162321 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 12649276 is about 3556.5820670976. The cubic root of 12649276 is about 232.9996254607. Note that the first 3 decimals are identical.

The spelling of 12649276 in words is "twelve million, six hundred forty-nine thousand, two hundred seventy-six".