12973528 has 16 divisors (see below), whose sum is σ = 24368760. Its totient is φ = 6475200.

The previous prime is 12973517. The next prime is 12973529. The reversal of 12973528 is 82537921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023 + ... + 7153.

Almost surely, 2^12973528 is an apocalyptic number.

It is an amenable number.

12973528 is a deficient number, since it is larger than the sum of its proper divisors (11395232).

12973528 is a wasteful number, since it uses less digits than its factorization.

12973528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2894 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 12973528 is about 3601.8783988358. The cubic root of 12973528 is about 234.9737589531.

The spelling of 12973528 in words is "twelve million, nine hundred seventy-three thousand, five hundred twenty-eight".