12947450 has 12 divisors (see below), whose sum is σ = 24082350. Its totient is φ = 5178960.

The previous prime is 12947443. The next prime is 12947461. The reversal of 12947450 is 5474921.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11202409 + 1745041 = 3347^2 + 1321^2 .

It is an alternating number because its digits alternate between odd and even.

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, 129425 + ... + 129524.

Almost surely, 2^12947450 is an apocalyptic number.

12947450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12947450 is a deficient number, since it is larger than the sum of its proper divisors (11134900).

12947450 is a wasteful number, since it uses less digits than its factorization.

12947450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258961 (or 258956 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12947450 is about 3598.2565222619. The cubic root of 12947450 is about 234.8162136298.

The spelling of 12947450 in words is "twelve million, nine hundred forty-seven thousand, four hundred fifty".