13458456 has 48 divisors (see below), whose sum is σ = 39765960. Its totient is φ = 4078080.

The previous prime is 13458443. The next prime is 13458461. The reversal of 13458456 is 65485431.

It is a happy number.

It is a super-2 number, since 2×13458456² = 362260075807872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13458456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7705 + ... + 9288.

Almost surely, 2^13458456 is an apocalyptic number.

It is an amenable number.

13458456 is an abundant number, since it is smaller than the sum of its proper divisors (26307504).

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

13458456 is a wasteful number, since it uses less digits than its factorization.

13458456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17016 (or 17009 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 13458456 is about 3668.5768357771. The cubic root of 13458456 is about 237.8656587132.

It can be divided in two parts, 1345 and 8456, that added together give a square (9801 = 99²).

The spelling of 13458456 in words is "thirteen million, four hundred fifty-eight thousand, four hundred fifty-six".