13087122 has 32 divisors (see below), whose sum is σ = 27119232. Its totient is φ = 4207104.

The previous prime is 13087111. The next prime is 13087153. The reversal of 13087122 is 22178031.

13087122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13087092 and 13087101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36898 + ... + 37250.

It is an arithmetic number, because the mean of its divisors is an integer number (847476).

Almost surely, 2^13087122 is an apocalyptic number.

13087122 is an abundant number, since it is smaller than the sum of its proper divisors (14032110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13087122 is a wasteful number, since it uses less digits than its factorization.

13087122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 13087122 is about 3617.6127487613. The cubic root of 13087122 is about 235.6575637883.

Subtracting 13087122 from its reverse (22178031), we obtain a palindrome (9090909).

The spelling of 13087122 in words is "thirteen million, eighty-seven thousand, one hundred twenty-two".