13398026 has 16 divisors (see below), whose sum is σ = 20823264. Its totient is φ = 6460944.

The previous prime is 13398019. The next prime is 13398053. The reversal of 13398026 is 62089331.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13397983 and 13398001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6200 + ... + 8076.

It is an arithmetic number, because the mean of its divisors is an integer number (1301454).

Almost surely, 2^13398026 is an apocalyptic number.

13398026 is a deficient number, since it is larger than the sum of its proper divisors (7425238).

13398026 is a wasteful number, since it uses less digits than its factorization.

13398026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13398026 is about 3660.3314057610. The cubic root of 13398026 is about 237.5091098999.

It can be divided in two parts, 133980 and 26, that multiplied together give a triangular number (3483480 = T₂₆₃₉).

The spelling of 13398026 in words is "thirteen million, three hundred ninety-eight thousand, twenty-six".