13031048 has 8 divisors (see below), whose sum is σ = 24433230. Its totient is φ = 6515520.

The previous prime is 13031033. The next prime is 13031099. The reversal of 13031048 is 84013031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 56644 = 3602^2 + 238^2 .

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, 814433 + ... + 814448.

Almost surely, 2^13031048 is an apocalyptic number.

It is an amenable number.

13031048 is a deficient number, since it is larger than the sum of its proper divisors (11402182).

13031048 is a wasteful number, since it uses less digits than its factorization.

13031048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628887 (or 1628883 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13031048 is about 3609.8542906882. The cubic root of 13031048 is about 235.3205103042.

Adding to 13031048 its reverse (84013031), we get a palindrome (97044079).

The spelling of 13031048 in words is "thirteen million, thirty-one thousand, forty-eight".