12953457 has 12 divisors (see below), whose sum is σ = 20411664. Its totient is φ = 7850520.

The previous prime is 12953431. The next prime is 12953467. The reversal of 12953457 is 75435921.

It is not a de Polignac number, because 12953457 - 2¹² = 12949361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12953407) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 65323 + ... + 65520.

It is an arithmetic number, because the mean of its divisors is an integer number (1700972).

Almost surely, 2^12953457 is an apocalyptic number.

It is an amenable number.

12953457 is a deficient number, since it is larger than the sum of its proper divisors (7458207).

12953457 is a wasteful number, since it uses less digits than its factorization.

12953457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130860 (or 130857 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 12953457 is about 3599.0911352729. The cubic root of 12953457 is about 234.8525225275.

The spelling of 12953457 in words is "twelve million, nine hundred fifty-three thousand, four hundred fifty-seven".