13487968 has 24 divisors (see below), whose sum is σ = 28597968. Its totient is φ = 6225024.

The previous prime is 13487963. The next prime is 13487977. The reversal of 13487968 is 86978431.

It is a happy number.

It is a super-3 number, since 3×13487968³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487963) 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 3 ways as a sum of consecutive naturals, for example, 15796 + ... + 16627.

It is an arithmetic number, because the mean of its divisors is an integer number (1191582).

Almost surely, 2^13487968 is an apocalyptic number.

It is an amenable number.

13487968 is an abundant number, since it is smaller than the sum of its proper divisors (15110000).

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

13487968 is a wasteful number, since it uses less digits than its factorization.

13487968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32446 (or 32438 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 13487968 is about 3672.5969013765. The cubic root of 13487968 is about 238.0393974748.

It can be divided in two parts, 1348 and 7968, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 13487968 in words is "thirteen million, four hundred eighty-seven thousand, nine hundred sixty-eight".