13530612 has 24 divisors (see below), whose sum is σ = 32018112. Its totient is φ = 4446400.

The previous prime is 13530611. The next prime is 13530653. The reversal of 13530612 is 21603531.

It is a super-2 number, since 2×13530612² = 366154922189088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7089 + ... + 8792.

It is an arithmetic number, because the mean of its divisors is an integer number (1334088).

Almost surely, 2^13530612 is an apocalyptic number.

13530612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13530612 is an abundant number, since it is smaller than the sum of its proper divisors (18487500).

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

13530612 is a wasteful number, since it uses less digits than its factorization.

13530612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15959 (or 15957 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13530612 is about 3678.3980208781. The cubic root of 13530612 is about 238.2899979349.

The spelling of 13530612 in words is "thirteen million, five hundred thirty thousand, six hundred twelve".