13575690 has 96 divisors (see below), whose sum is σ = 39424320. Its totient is φ = 3220992.

The previous prime is 13575689. The next prime is 13575691. The reversal of 13575690 is 9657531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13575689) and next prime (13575691).

It is a super-2 number, since 2×13575690² = 368598717952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575691) by changing a digit.

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, 28837 + ... + 29303.

It is an arithmetic number, because the mean of its divisors is an integer number (410670).

Almost surely, 2^13575690 is an apocalyptic number.

13575690 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 13575690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19712160).

13575690 is an abundant number, since it is smaller than the sum of its proper divisors (25848630).

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

13575690 is a wasteful number, since it uses less digits than its factorization.

13575690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 13575690 is about 3684.5203215615. The cubic root of 13575690 is about 238.5543301461.

The spelling of 13575690 in words is "thirteen million, five hundred seventy-five thousand, six hundred ninety".