13690530 has 96 divisors (see below), whose sum is σ = 42052608. Its totient is φ = 3024000.

The previous prime is 13690529. The next prime is 13690549. The reversal of 13690530 is 3509631.

It is a super-2 number, since 2×13690530² = 374861223361800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13690494 and 13690503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19180 + ... + 19880.

It is an arithmetic number, because the mean of its divisors is an integer number (438048).

Almost surely, 2^13690530 is an apocalyptic number.

13690530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13690530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21026304).

13690530 is an abundant number, since it is smaller than the sum of its proper divisors (28362078).

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

13690530 is a wasteful number, since it uses less digits than its factorization.

13690530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 13690530 is about 3700.0716209284. The cubic root of 13690530 is about 239.2251049328.

The spelling of 13690530 in words is "thirteen million, six hundred ninety thousand, five hundred thirty".