13478356 has 12 divisors (see below), whose sum is σ = 23919840. Its totient is φ = 6644120.

The previous prime is 13478341. The next prime is 13478363. The reversal of 13478356 is 65387431.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23446 + ... + 24013.

It is an arithmetic number, because the mean of its divisors is an integer number (1993320).

Almost surely, 2^13478356 is an apocalyptic number.

It is an amenable number.

13478356 is a deficient number, since it is larger than the sum of its proper divisors (10441484).

13478356 is a wasteful number, since it uses less digits than its factorization.

13478356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47534 (or 47532 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 13478356 is about 3671.2880573445. The cubic root of 13478356 is about 237.9828389575.

The spelling of 13478356 in words is "thirteen million, four hundred seventy-eight thousand, three hundred fifty-six".