12953445 has 16 divisors (see below), whose sum is σ = 21036480. Its totient is φ = 6804864.

The previous prime is 12953431. The next prime is 12953467. The reversal of 12953445 is 54435921.

It is not a de Polignac number, because 12953445 - 2⁸ = 12953189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5440 + ... + 7449.

It is an arithmetic number, because the mean of its divisors is an integer number (1314780).

Almost surely, 2^12953445 is an apocalyptic number.

12953445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12953445 is a deficient number, since it is larger than the sum of its proper divisors (8083035).

12953445 is a wasteful number, since it uses less digits than its factorization.

12953445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12964.

The product of its digits is 21600, while the sum is 33.

The square root of 12953445 is about 3599.0894681850. The cubic root of 12953445 is about 234.8524500055.

The spelling of 12953445 in words is "twelve million, nine hundred fifty-three thousand, four hundred forty-five".