13122641 has 24 divisors (see below), whose sum is σ = 16153344. Its totient is φ = 10614240.

The previous prime is 13122631. The next prime is 13122647. The reversal of 13122641 is 14622131.

It is a de Polignac number, because none of the positive numbers 2^k-13122641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80426 + ... + 80588.

It is an arithmetic number, because the mean of its divisors is an integer number (673056).

Almost surely, 2^13122641 is an apocalyptic number.

It is an amenable number.

13122641 is a deficient number, since it is larger than the sum of its proper divisors (3030703).

13122641 is a wasteful number, since it uses less digits than its factorization.

13122641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 254 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 13122641 is about 3622.5185989861. The cubic root of 13122641 is about 235.8705660547.

Adding to 13122641 its reverse (14622131), we get a palindrome (27744772).

The spelling of 13122641 in words is "thirteen million, one hundred twenty-two thousand, six hundred forty-one".