13422501 has 24 divisors (see below), whose sum is σ = 20582016. Its totient is φ = 8411040.

The previous prime is 13422499. The next prime is 13422509. The reversal of 13422501 is 10522431.

It is not a de Polignac number, because 13422501 - 2¹ = 13422499 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422509) 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, 12096 + ... + 13158.

It is an arithmetic number, because the mean of its divisors is an integer number (857584).

Almost surely, 2^13422501 is an apocalyptic number.

It is an amenable number.

13422501 is a deficient number, since it is larger than the sum of its proper divisors (7159515).

13422501 is a wasteful number, since it uses less digits than its factorization.

13422501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13422501 is about 3663.6731568195. The cubic root of 13422501 is about 237.6536461018.

Adding to 13422501 its reverse (10522431), we get a palindrome (23944932).

The spelling of 13422501 in words is "thirteen million, four hundred twenty-two thousand, five hundred one".