12801023 has 4 divisors (see below), whose sum is σ = 12822720. Its totient is φ = 12779328.

The previous prime is 12801013. The next prime is 12801031. The reversal of 12801023 is 32010821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32010821 = 5471 ⋅5851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12801023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12800992 and 12801010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801013) 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, 9938 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (3205680).

Almost surely, 2^12801023 is an apocalyptic number.

12801023 is a deficient number, since it is larger than the sum of its proper divisors (21697).

12801023 is an equidigital number, since it uses as much as digits as its factorization.

12801023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21696.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12801023 is about 3577.8517297395. The cubic root of 12801023 is about 233.9276507038.

Adding to 12801023 its reverse (32010821), we get a palindrome (44811844).

The spelling of 12801023 in words is "twelve million, eight hundred one thousand, twenty-three".