13322251 has 4 divisors (see below), whose sum is σ = 13333752. Its totient is φ = 13310752.

The previous prime is 13322233. The next prime is 13322263. The reversal of 13322251 is 15222331.

13322251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15222331 = 131 ⋅116201.

It is a cyclic number.

It is not a de Polignac number, because 13322251 - 2¹⁷ = 13191179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13322651) 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, 3790 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (3333438).

Almost surely, 2^13322251 is an apocalyptic number.

13322251 is a deficient number, since it is larger than the sum of its proper divisors (11501).

13322251 is a wasteful number, since it uses less digits than its factorization.

13322251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500.

The product of its digits is 360, while the sum is 19.

The square root of 13322251 is about 3649.9658902516. The cubic root of 13322251 is about 237.0605042934.

Adding to 13322251 its reverse (15222331), we get a palindrome (28544582).

The spelling of 13322251 in words is "thirteen million, three hundred twenty-two thousand, two hundred fifty-one".