13022523 has 12 divisors (see below), whose sum is σ = 18868200. Its totient is φ = 8654976.

The previous prime is 13022521. The next prime is 13022551. The reversal of 13022523 is 32522031.

It is not a de Polignac number, because 13022523 - 2¹ = 13022521 is a prime.

It is a super-2 number, since 2×13022523² = 339172210571058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13022496 and 13022505.

It is not an unprimeable number, because it can be changed into a prime (13022521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (1572350).

Almost surely, 2^13022523 is an apocalyptic number.

13022523 is a deficient number, since it is larger than the sum of its proper divisors (5845677).

13022523 is a wasteful number, since it uses less digits than its factorization.

13022523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4455 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13022523 is about 3608.6733019214. The cubic root of 13022523 is about 235.2691830183.

Adding to 13022523 its reverse (32522031), we get a palindrome (45544554).

The spelling of 13022523 in words is "thirteen million, twenty-two thousand, five hundred twenty-three".