13520130 has 32 divisors (see below), whose sum is σ = 34945344. Its totient is φ = 3327936.

The previous prime is 13520099. The next prime is 13520147. The reversal of 13520130 is 3102531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 16944 + ... + 17723.

It is an arithmetic number, because the mean of its divisors is an integer number (1092042).

Almost surely, 2^13520130 is an apocalyptic number.

13520130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13520130 is an abundant number, since it is smaller than the sum of its proper divisors (21425214).

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

13520130 is a wasteful number, since it uses less digits than its factorization.

13520130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34690.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13520130 is about 3676.9729397971. The cubic root of 13520130 is about 238.2284485871.

Adding to 13520130 its reverse (3102531), we get a palindrome (16622661).

The spelling of 13520130 in words is "thirteen million, five hundred twenty thousand, one hundred thirty".