13012798 has 4 divisors (see below), whose sum is σ = 19519200. Its totient is φ = 6506398.

The previous prime is 13012787. The next prime is 13012799. The reversal of 13012798 is 89721031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253198 + ... + 3253201.

It is an arithmetic number, because the mean of its divisors is an integer number (4879800).

Almost surely, 2^13012798 is an apocalyptic number.

13012798 is a deficient number, since it is larger than the sum of its proper divisors (6506402).

13012798 is an equidigital number, since it uses as much as digits as its factorization.

13012798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506401.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 13012798 is about 3607.3256021601. The cubic root of 13012798 is about 235.2106034177.

The spelling of 13012798 in words is "thirteen million, twelve thousand, seven hundred ninety-eight".