13251022 has 4 divisors (see below), whose sum is σ = 19876536. Its totient is φ = 6625510.

The previous prime is 13251019. The next prime is 13251023. The reversal of 13251022 is 22015231.

13251022 is digitally balanced in base 2, 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.

It is a junction number, because it is equal to n+sod(n) for n = 13250987 and 13251005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312754 + ... + 3312757.

It is an arithmetic number, because the mean of its divisors is an integer number (4969134).

Almost surely, 2^13251022 is an apocalyptic number.

13251022 is a deficient number, since it is larger than the sum of its proper divisors (6625514).

13251022 is an equidigital number, since it uses as much as digits as its factorization.

13251022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625513.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13251022 is about 3640.1953244297. The cubic root of 13251022 is about 236.6372583530.

Adding to 13251022 its reverse (22015231), we get a palindrome (35266253).

The spelling of 13251022 in words is "thirteen million, two hundred fifty-one thousand, twenty-two".