12351397 has 4 divisors (see below), whose sum is σ = 12416256. Its totient is φ = 12286540.

The previous prime is 12351379. The next prime is 12351407. The reversal of 12351397 is 79315321.

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: 79315321 = 983 ⋅80687.

It is a cyclic number.

It is not a de Polignac number, because 12351397 - 2²³ = 3962789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351497) 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, 32143 + ... + 32524.

It is an arithmetic number, because the mean of its divisors is an integer number (3104064).

Almost surely, 2^12351397 is an apocalyptic number.

It is an amenable number.

12351397 is a deficient number, since it is larger than the sum of its proper divisors (64859).

12351397 is an equidigital number, since it uses as much as digits as its factorization.

12351397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64858.

The product of its digits is 5670, while the sum is 31.

The square root of 12351397 is about 3514.4554343454. The cubic root of 12351397 is about 231.1561009571.

The spelling of 12351397 in words is "twelve million, three hundred fifty-one thousand, three hundred ninety-seven".