13022011 has 4 divisors (see below), whose sum is σ = 13707400. Its totient is φ = 12336624.

The previous prime is 13022003. The next prime is 13022027. The reversal of 13022011 is 11022031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022031 = 1723 ⋅6397.

It is not a de Polignac number, because 13022011 - 2³ = 13022003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13022041) 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, 342666 + ... + 342703.

It is an arithmetic number, because the mean of its divisors is an integer number (3426850).

Almost surely, 2^13022011 is an apocalyptic number.

13022011 is a deficient number, since it is larger than the sum of its proper divisors (685389).

13022011 is an equidigital number, since it uses as much as digits as its factorization.

13022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685388.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 13022011 is about 3608.6023610257. The cubic root of 13022011 is about 235.2660996577.

Adding to 13022011 its reverse (11022031), we get a palindrome (24044042).

The spelling of 13022011 in words is "thirteen million, twenty-two thousand, eleven".