13481356 has 24 divisors (see below), whose sum is σ = 27046656. Its totient is φ = 5759760.

The previous prime is 13481329. The next prime is 13481383. The reversal of 13481356 is 65318431.

It is an interprime number because it is at equal distance from previous prime (13481329) and next prime (13481383).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 12561 + ... + 13591.

It is an arithmetic number, because the mean of its divisors is an integer number (1126944).

Almost surely, 2^13481356 is an apocalyptic number.

It is an amenable number.

13481356 is an abundant number, since it is smaller than the sum of its proper divisors (13565300).

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

13481356 is a wasteful number, since it uses less digits than its factorization.

13481356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1507 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 13481356 is about 3671.6966105603. The cubic root of 13481356 is about 238.0004943143. Note that the first 3 decimals are identical.

Adding to 13481356 its reverse (65318431), we get a palindrome (78799787).

It can be divided in two parts, 1348 and 1356, that added together give a square (2704 = 52²).

The spelling of 13481356 in words is "thirteen million, four hundred eighty-one thousand, three hundred fifty-six".