13212497 has 4 divisors (see below), whose sum is σ = 13224816. Its totient is φ = 13200180.

The previous prime is 13212491. The next prime is 13212523. The reversal of 13212497 is 79421231.

13212497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79421231 = 23 ⋅3453097.

It is a cyclic number.

It is not a de Polignac number, because 13212497 - 2²² = 9018193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212491) 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, 4379 + ... + 6752.

It is an arithmetic number, because the mean of its divisors is an integer number (3306204).

Almost surely, 2^13212497 is an apocalyptic number.

It is an amenable number.

13212497 is a deficient number, since it is larger than the sum of its proper divisors (12319).

13212497 is a wasteful number, since it uses less digits than its factorization.

13212497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12318.

The product of its digits is 3024, while the sum is 29.

The square root of 13212497 is about 3634.8998610691. The cubic root of 13212497 is about 236.4077087756.

The spelling of 13212497 in words is "thirteen million, two hundred twelve thousand, four hundred ninety-seven".