12538888 has 8 divisors (see below), whose sum is σ = 23510430. Its totient is φ = 6269440.

The previous prime is 12538873. The next prime is 12538891. The reversal of 12538888 is 88883521.

It can be written as a sum of positive squares in only one way, i.e., 9012004 + 3526884 = 3002^2 + 1878^2 .

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

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 as a sum of consecutive naturals, namely, 783673 + ... + 783688.

Almost surely, 2^12538888 is an apocalyptic number.

It is an amenable number.

12538888 is a deficient number, since it is larger than the sum of its proper divisors (10971542).

12538888 is a wasteful number, since it uses less digits than its factorization.

12538888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567367 (or 1567363 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 12538888 is about 3541.0292289107. The cubic root of 12538888 is about 232.3198620091.

The spelling of 12538888 in words is "twelve million, five hundred thirty-eight thousand, eight hundred eighty-eight".