13478888 has 8 divisors (see below), whose sum is σ = 25272930. Its totient is φ = 6739440.

The previous prime is 13478887. The next prime is 13478903. The reversal of 13478888 is 88887431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13410244 + 68644 = 3662^2 + 262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13478887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 842423 + ... + 842438.

Almost surely, 2^13478888 is an apocalyptic number.

It is an amenable number.

13478888 is a deficient number, since it is larger than the sum of its proper divisors (11794042).

13478888 is a wasteful number, since it uses less digits than its factorization.

13478888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684867 (or 1684863 counting only the distinct ones).

The product of its digits is 344064, while the sum is 47.

The square root of 13478888 is about 3671.3605107644. The cubic root of 13478888 is about 237.9859700319.

The spelling of 13478888 in words is "thirteen million, four hundred seventy-eight thousand, eight hundred eighty-eight".