13263612 has 24 divisors (see below), whose sum is σ = 31785936. Its totient is φ = 4301568.

The previous prime is 13263611. The next prime is 13263637. The reversal of 13263612 is 21636231.

It is a happy number.

It is a super-3 number, since 3×13263612³ (a number of 22 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13263611) 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 7 ways as a sum of consecutive naturals, for example, 14493 + ... + 15380.

It is an arithmetic number, because the mean of its divisors is an integer number (1324414).

Almost surely, 2^13263612 is an apocalyptic number.

13263612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13263612 is an abundant number, since it is smaller than the sum of its proper divisors (18522324).

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

13263612 is a wasteful number, since it uses less digits than its factorization.

13263612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29917 (or 29915 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 13263612 is about 3641.9242166745. The cubic root of 13263612 is about 236.7121788643.

Adding to 13263612 its reverse (21636231), we get a palindrome (34899843).

The spelling of 13263612 in words is "thirteen million, two hundred sixty-three thousand, six hundred twelve".