13261230 has 24 divisors (see below), whose sum is σ = 34479432. Its totient is φ = 3536304.

The previous prime is 13261219. The next prime is 13261231. The reversal of 13261230 is 3216231.

It is a super-2 number, since 2×13261230² = 351720442225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261231) 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 11 ways as a sum of consecutive naturals, for example, 73584 + ... + 73763.

It is an arithmetic number, because the mean of its divisors is an integer number (1436643).

Almost surely, 2^13261230 is an apocalyptic number.

13261230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13261230 is an abundant number, since it is smaller than the sum of its proper divisors (21218202).

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

13261230 is a wasteful number, since it uses less digits than its factorization.

13261230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147360 (or 147357 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13261230 is about 3641.5971770639. The cubic root of 13261230 is about 236.6980077077.

Adding to 13261230 its reverse (3216231), we get a palindrome (16477461).

It can be divided in two parts, 1326 and 1230, that added together give a triangular number (2556 = T₇₁).

The spelling of 13261230 in words is "thirteen million, two hundred sixty-one thousand, two hundred thirty".