13529390 has 24 divisors (see below), whose sum is σ = 28329912. Its totient is φ = 4638480.

The previous prime is 13529371. The next prime is 13529393. The reversal of 13529390 is 9392531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13529393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13316 + ... + 14295.

It is an arithmetic number, because the mean of its divisors is an integer number (1180413).

Almost surely, 2^13529390 is an apocalyptic number.

13529390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13529390 is an abundant number, since it is smaller than the sum of its proper divisors (14800522).

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

13529390 is a wasteful number, since it uses less digits than its factorization.

13529390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27632 (or 27625 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 13529390 is about 3678.2319122100. The cubic root of 13529390 is about 238.2828240996.

The spelling of 13529390 in words is "thirteen million, five hundred twenty-nine thousand, three hundred ninety".