13533690 has 32 divisors (see below), whose sum is σ = 33276096. Its totient is φ = 3520640.

The previous prime is 13533673. The next prime is 13533713. The reversal of 13533690 is 9633531.

It is a super-2 number, since 2×13533690² = 366321530032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4272 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (1039878).

Almost surely, 2^13533690 is an apocalyptic number.

13533690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13533690 is an abundant number, since it is smaller than the sum of its proper divisors (19742406).

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

13533690 is a wasteful number, since it uses less digits than its factorization.

13533690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 13533690 is about 3678.8163857415. The cubic root of 13533690 is about 238.3080656321.

The spelling of 13533690 in words is "thirteen million, five hundred thirty-three thousand, six hundred ninety".