13123001 has 4 divisors (see below), whose sum is σ = 13307904. Its totient is φ = 12938100.

The previous prime is 13122983. The next prime is 13123003. The reversal of 13123001 is 10032131.

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: 10032131 = 79 ⋅126989.

It is a cyclic number.

It is not a de Polignac number, because 13123001 - 2⁶ = 13122937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92345 + ... + 92486.

It is an arithmetic number, because the mean of its divisors is an integer number (3326976).

Almost surely, 2^13123001 is an apocalyptic number.

It is an amenable number.

13123001 is a deficient number, since it is larger than the sum of its proper divisors (184903).

13123001 is an equidigital number, since it uses as much as digits as its factorization.

13123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184902.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13123001 is about 3622.5682878312. The cubic root of 13123001 is about 235.8727229535.

Adding to 13123001 its reverse (10032131), we get a palindrome (23155132).

It can be divided in two parts, 131 and 23001, that added together give a palindrome (23132).

The spelling of 13123001 in words is "thirteen million, one hundred twenty-three thousand, one".