12397309541 has 8 divisors (see below), whose sum is σ = 12811776768. Its totient is φ = 11983752000.

The previous prime is 12397309537. The next prime is 12397309559. The reversal of 12397309541 is 14590379321.

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

It is a cyclic number.

It is not a de Polignac number, because 12397309541 - 2² = 12397309537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12397309492 and 12397309501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397309501) 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, 199655 + ... + 254276.

It is an arithmetic number, because the mean of its divisors is an integer number (1601472096).

Almost surely, 2^12397309541 is an apocalyptic number.

It is an amenable number.

12397309541 is a deficient number, since it is larger than the sum of its proper divisors (414467227).

12397309541 is an equidigital number, since it uses as much as digits as its factorization.

12397309541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454843.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 12397309541 in words is "twelve billion, three hundred ninety-seven million, three hundred nine thousand, five hundred forty-one".