12964531 has 4 divisors (see below), whose sum is σ = 13044232. Its totient is φ = 12884832.

The previous prime is 12964499. The next prime is 12964547. The reversal of 12964531 is 13546921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13546921 = 37 ⋅366133.

It is a cyclic number.

It is not a de Polignac number, because 12964531 - 2⁵ = 12964499 is a prime.

It is a super-2 number, since 2×12964531² = 336158128099922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12964493 and 12964502.

It is not an unprimeable number, because it can be changed into a prime (12964561) 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 3 ways as a sum of consecutive naturals, for example, 39606 + ... + 39931.

It is an arithmetic number, because the mean of its divisors is an integer number (3261058).

Almost surely, 2^12964531 is an apocalyptic number.

12964531 is a deficient number, since it is larger than the sum of its proper divisors (79701).

12964531 is an equidigital number, since it uses as much as digits as its factorization.

12964531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79700.

The product of its digits is 6480, while the sum is 31.

The square root of 12964531 is about 3600.6292505616. The cubic root of 12964531 is about 234.9194291468.

The spelling of 12964531 in words is "twelve million, nine hundred sixty-four thousand, five hundred thirty-one".