13121086 has 16 divisors (see below), whose sum is σ = 22405248. Its totient is φ = 5704600.

The previous prime is 13121083. The next prime is 13121099. The reversal of 13121086 is 68012131.

13121086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12460 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (1400328).

Almost surely, 2^13121086 is an apocalyptic number.

13121086 is a deficient number, since it is larger than the sum of its proper divisors (9284162).

13121086 is a wasteful number, since it uses less digits than its factorization.

13121086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25967.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 13121086 is about 3622.3039629495. The cubic root of 13121086 is about 235.8612489967.

The spelling of 13121086 in words is "thirteen million, one hundred twenty-one thousand, eighty-six".