12397953 has 8 divisors (see below), whose sum is σ = 16568608. Its totient is φ = 8246304.

The previous prime is 12397939. The next prime is 12397961. The reversal of 12397953 is 35979321.

12397953 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12397953 - 2¹⁰ = 12396929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12397933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151 + ... + 5892.

It is an arithmetic number, because the mean of its divisors is an integer number (2071076).

Almost surely, 2^12397953 is an apocalyptic number.

It is an amenable number.

12397953 is a deficient number, since it is larger than the sum of its proper divisors (4170655).

12397953 is an equidigital number, since it uses as much as digits as its factorization.

12397953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503.

The product of its digits is 51030, while the sum is 39.

The square root of 12397953 is about 3521.0727058668. The cubic root of 12397953 is about 231.4461682899.

The spelling of 12397953 in words is "twelve million, three hundred ninety-seven thousand, nine hundred fifty-three".